Finding the Fourth Proportional to 71,567.29, 107,258.19 and 29,399.68
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Solution
The fourth proportional to 71,567.29, 107,258.19 and 29,399.68 is: 44,061.42
Step by Step Solution
- Step 1: Write the proportion equation
71,567.29 : 107,258.19 = 29,399.68 : x - Step 2: Convert to fraction form
71,567.29/107,258.19 = 29,399.68/x - Step 3: Cross multiply
71,567.29x = 107,258.19 × 29,399.68 - Step 4: Simplify right side
71,567.29x = 3,153,356,463.38 - Step 5: Solve for x
x = 3,153,356,463.38/71,567.29 - Step 6: Final answer
x = 44,061.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.