Question

4 : 48 :: 100 : ?
find the value of ? in the following question
​

Answer 1

4 : 48 :: 100 : ?

4/48=100/x

x=(100*48)/4

x=1200

Then the equation become :

4 : 48 :: 100 : 1200.

This is ratio based numerical question.  

A ratio is a mathematical term that is used to compare the size of one number to the size of another number. It is commonly used in both mathematics and in professional environments.

Answer 2

Given :  4 : 48 :: 100 : ?

To find :  Value of ?

Solution:

a  :  b  ::  c  : d

means  a/b  = c/d

or a * d   = b * c

=> ad  = bc

let say n comes at place of ?

then

4 : 48 :: 100 : n

Comparing with

a  :  b  ::  c  : d

a = 4

b = 48

c = 100

d = n

4 * n  = 48 * 100

Dividing both sides by 4

=> n = 12 * 100

=> n  = 1200

Hence Value of ?  = 1200

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