Finding the Fourth Proportional to 80,425.08, 120,638.50 and 24,265.68
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Solution
The fourth proportional to 80,425.08, 120,638.50 and 24,265.68 is: 36,398.79
Step by Step Solution
- Step 1: Write the proportion equation
80,425.08 : 120,638.50 = 24,265.68 : x - Step 2: Convert to fraction form
80,425.08/120,638.50 = 24,265.68/x - Step 3: Cross multiply
80,425.08x = 120,638.50 × 24,265.68 - Step 4: Simplify right side
80,425.08x = 2,927,375,236.68 - Step 5: Solve for x
x = 2,927,375,236.68/80,425.08 - Step 6: Final answer
x = 36,398.79
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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.