Finding the Fourth Proportional to 71,599.47, 107,311.05 and 29,453.28
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Solution
The fourth proportional to 71,599.47, 107,311.05 and 29,453.28 is: 44,143.66
Step by Step Solution
- Step 1: Write the proportion equation
71,599.47 : 107,311.05 = 29,453.28 : x - Step 2: Convert to fraction form
71,599.47/107,311.05 = 29,453.28/x - Step 3: Cross multiply
71,599.47x = 107,311.05 × 29,453.28 - Step 4: Simplify right side
71,599.47x = 3,160,662,402.74 - Step 5: Solve for x
x = 3,160,662,402.74/71,599.47 - Step 6: Final answer
x = 44,143.66
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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.