Finding the Fourth Proportional to 75,618.62, 104,354.06 and 41,630.52
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Solution
The fourth proportional to 75,618.62, 104,354.06 and 41,630.52 is: 57,450.32
Step by Step Solution
- Step 1: Write the proportion equation
75,618.62 : 104,354.06 = 41,630.52 : x - Step 2: Convert to fraction form
75,618.62/104,354.06 = 41,630.52/x - Step 3: Cross multiply
75,618.62x = 104,354.06 × 41,630.52 - Step 4: Simplify right side
75,618.62x = 4,344,313,781.91 - Step 5: Solve for x
x = 4,344,313,781.91/75,618.62 - Step 6: Final answer
x = 57,450.32
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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.