Finding the Fourth Proportional to 86,267.62, 129,414.50 and 27,097.73
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Solution
The fourth proportional to 86,267.62, 129,414.50 and 27,097.73 is: 40,650.70
Step by Step Solution
- Step 1: Write the proportion equation
86,267.62 : 129,414.50 = 27,097.73 : x - Step 2: Convert to fraction form
86,267.62/129,414.50 = 27,097.73/x - Step 3: Cross multiply
86,267.62x = 129,414.50 × 27,097.73 - Step 4: Simplify right side
86,267.62x = 3,506,839,179.09 - Step 5: Solve for x
x = 3,506,839,179.09/86,267.62 - Step 6: Final answer
x = 40,650.70
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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.