Finding the Fourth Proportional to 71,455.11, 107,161.16 and 44,841.48
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Solution
The fourth proportional to 71,455.11, 107,161.16 and 44,841.48 is: 67,248.72
Step by Step Solution
- Step 1: Write the proportion equation
71,455.11 : 107,161.16 = 44,841.48 : x - Step 2: Convert to fraction form
71,455.11/107,161.16 = 44,841.48/x - Step 3: Cross multiply
71,455.11x = 107,161.16 × 44,841.48 - Step 4: Simplify right side
71,455.11x = 4,805,264,788.71 - Step 5: Solve for x
x = 4,805,264,788.71/71,455.11 - Step 6: Final answer
x = 67,248.72
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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.