Finding the Fourth Proportional to 68,344.20, 102,545.10 and 37,201.80
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Solution
The fourth proportional to 68,344.20, 102,545.10 and 37,201.80 is: 55,818.38
Step by Step Solution
- Step 1: Write the proportion equation
68,344.20 : 102,545.10 = 37,201.80 : x - Step 2: Convert to fraction form
68,344.20/102,545.10 = 37,201.80/x - Step 3: Cross multiply
68,344.20x = 102,545.10 × 37,201.80 - Step 4: Simplify right side
68,344.20x = 3,814,862,301.18 - Step 5: Solve for x
x = 3,814,862,301.18/68,344.20 - Step 6: Final answer
x = 55,818.38
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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.