Finding the Fourth Proportional to 71,338.66, 107,016.18 and 41,756.75
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Solution
The fourth proportional to 71,338.66, 107,016.18 and 41,756.75 is: 62,639.92
Step by Step Solution
- Step 1: Write the proportion equation
71,338.66 : 107,016.18 = 41,756.75 : x - Step 2: Convert to fraction form
71,338.66/107,016.18 = 41,756.75/x - Step 3: Cross multiply
71,338.66x = 107,016.18 × 41,756.75 - Step 4: Simplify right side
71,338.66x = 4,468,647,874.22 - Step 5: Solve for x
x = 4,468,647,874.22/71,338.66 - Step 6: Final answer
x = 62,639.92
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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.