2.13 is what percent of 45 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 45 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 45, so we can write it down as 100%=45.
4. We know, that x% equals 2.13 of the output value, so we can write it down as x%=2.13.
5. Now we have two simple equations:
1) 100%=45
2) x%=2.13
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=45/2.13
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 2.13 is what percent of 45

100%/x%=45/2.13
(100/x)*x=(45/2.13)*x       - we multiply both sides of the equation by x
100=21.12676056338*x       - we divide both sides of the equation by (21.12676056338) to get x
100/21.12676056338=x
4.7333333333333=x
x=4.7333333333333

now we have:
2.13 is 4.7333333333333% of 45