Finding the Fourth Proportional to 71,882.98, 107,830.95 and 27,507.94
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Solution
The fourth proportional to 71,882.98, 107,830.95 and 27,507.94 is: 41,264.39
Step by Step Solution
- Step 1: Write the proportion equation
71,882.98 : 107,830.95 = 27,507.94 : x - Step 2: Convert to fraction form
71,882.98/107,830.95 = 27,507.94/x - Step 3: Cross multiply
71,882.98x = 107,830.95 × 27,507.94 - Step 4: Simplify right side
71,882.98x = 2,966,207,302.74 - Step 5: Solve for x
x = 2,966,207,302.74/71,882.98 - Step 6: Final answer
x = 41,264.39
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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.