Finding the Fourth Proportional to 71,876.77, 107,695.97 and 43,711.63
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Solution
The fourth proportional to 71,876.77, 107,695.97 and 43,711.63 is: 65,494.96
Step by Step Solution
- Step 1: Write the proportion equation
71,876.77 : 107,695.97 = 43,711.63 : x - Step 2: Convert to fraction form
71,876.77/107,695.97 = 43,711.63/x - Step 3: Cross multiply
71,876.77x = 107,695.97 × 43,711.63 - Step 4: Simplify right side
71,876.77x = 4,707,566,393.13 - Step 5: Solve for x
x = 4,707,566,393.13/71,876.77 - Step 6: Final answer
x = 65,494.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.