Finding the Fourth Proportional to 67,239.18, 100,874.56 and 37,677.42
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Solution
The fourth proportional to 67,239.18, 100,874.56 and 37,677.42 is: 56,524.98
Step by Step Solution
- Step 1: Write the proportion equation
67,239.18 : 100,874.56 = 37,677.42 : x - Step 2: Convert to fraction form
67,239.18/100,874.56 = 37,677.42/x - Step 3: Cross multiply
67,239.18x = 100,874.56 × 37,677.42 - Step 4: Simplify right side
67,239.18x = 3,800,693,006.44 - Step 5: Solve for x
x = 3,800,693,006.44/67,239.18 - Step 6: Final answer
x = 56,524.98
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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.