Finding the Fourth Proportional to 71,125.19, 106,693.88 and 18,534.59
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Solution
The fourth proportional to 71,125.19, 106,693.88 and 18,534.59 is: 27,803.47
Step by Step Solution
- Step 1: Write the proportion equation
71,125.19 : 106,693.88 = 18,534.59 : x - Step 2: Convert to fraction form
71,125.19/106,693.88 = 18,534.59/x - Step 3: Cross multiply
71,125.19x = 106,693.88 × 18,534.59 - Step 4: Simplify right side
71,125.19x = 1,977,526,695.17 - Step 5: Solve for x
x = 1,977,526,695.17/71,125.19 - Step 6: Final answer
x = 27,803.47
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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.