Finding the Fourth Proportional to 86,651.87, 119,577.37 and 48,411.70
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Solution
The fourth proportional to 86,651.87, 119,577.37 and 48,411.70 is: 66,806.92
Step by Step Solution
- Step 1: Write the proportion equation
86,651.87 : 119,577.37 = 48,411.70 : x - Step 2: Convert to fraction form
86,651.87/119,577.37 = 48,411.70/x - Step 3: Cross multiply
86,651.87x = 119,577.37 × 48,411.70 - Step 4: Simplify right side
86,651.87x = 5,788,944,260.85 - Step 5: Solve for x
x = 5,788,944,260.85/86,651.87 - Step 6: Final answer
x = 66,806.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.