Finding the Fourth Proportional to 71,000.18, 106,176.40 and 53,001.17
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Solution
The fourth proportional to 71,000.18, 106,176.40 and 53,001.17 is: 79,259.99
Step by Step Solution
- Step 1: Write the proportion equation
71,000.18 : 106,176.40 = 53,001.17 : x - Step 2: Convert to fraction form
71,000.18/106,176.40 = 53,001.17/x - Step 3: Cross multiply
71,000.18x = 106,176.40 × 53,001.17 - Step 4: Simplify right side
71,000.18x = 5,627,473,426.39 - Step 5: Solve for x
x = 5,627,473,426.39/71,000.18 - Step 6: Final answer
x = 79,259.99
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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.