Finding the Fourth Proportional to 86,572.84, 119,472.18 and 48,847.96
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Solution
The fourth proportional to 86,572.84, 119,472.18 and 48,847.96 is: 67,411.12
Step by Step Solution
- Step 1: Write the proportion equation
86,572.84 : 119,472.18 = 48,847.96 : x - Step 2: Convert to fraction form
86,572.84/119,472.18 = 48,847.96/x - Step 3: Cross multiply
86,572.84x = 119,472.18 × 48,847.96 - Step 4: Simplify right side
86,572.84x = 5,835,972,269.75 - Step 5: Solve for x
x = 5,835,972,269.75/86,572.84 - Step 6: Final answer
x = 67,411.12
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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.