Finding the Fourth Proportional to 71,364.87, 106,974.41 and 46,454.94
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Solution
The fourth proportional to 71,364.87, 106,974.41 and 46,454.94 is: 69,634.96
Step by Step Solution
- Step 1: Write the proportion equation
71,364.87 : 106,974.41 = 46,454.94 : x - Step 2: Convert to fraction form
71,364.87/106,974.41 = 46,454.94/x - Step 3: Cross multiply
71,364.87x = 106,974.41 × 46,454.94 - Step 4: Simplify right side
71,364.87x = 4,969,489,565.81 - Step 5: Solve for x
x = 4,969,489,565.81/71,364.87 - Step 6: Final answer
x = 69,634.96
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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.