Finding the Fourth Proportional to 98,250.74, 135,585.99 and 53,538.74
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Solution
The fourth proportional to 98,250.74, 135,585.99 and 53,538.74 is: 73,883.44
Step by Step Solution
- Step 1: Write the proportion equation
98,250.74 : 135,585.99 = 53,538.74 : x - Step 2: Convert to fraction form
98,250.74/135,585.99 = 53,538.74/x - Step 3: Cross multiply
98,250.74x = 135,585.99 × 53,538.74 - Step 4: Simplify right side
98,250.74x = 7,259,103,066.25 - Step 5: Solve for x
x = 7,259,103,066.25/98,250.74 - Step 6: Final answer
x = 73,883.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.