Finding the Fourth Proportional to 71,554.88, 107,328.88 and 27,178.17
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Solution
The fourth proportional to 71,554.88, 107,328.88 and 27,178.17 is: 40,765.95
Step by Step Solution
- Step 1: Write the proportion equation
71,554.88 : 107,328.88 = 27,178.17 : x - Step 2: Convert to fraction form
71,554.88/107,328.88 = 27,178.17/x - Step 3: Cross multiply
71,554.88x = 107,328.88 × 27,178.17 - Step 4: Simplify right side
71,554.88x = 2,917,002,546.55 - Step 5: Solve for x
x = 2,917,002,546.55/71,554.88 - Step 6: Final answer
x = 40,765.95
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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.