Finding the Fourth Proportional to 80,432.76, 120,664.86 and 24,277.44
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Solution
The fourth proportional to 80,432.76, 120,664.86 and 24,277.44 is: 36,420.90
Step by Step Solution
- Step 1: Write the proportion equation
80,432.76 : 120,664.86 = 24,277.44 : x - Step 2: Convert to fraction form
80,432.76/120,664.86 = 24,277.44/x - Step 3: Cross multiply
80,432.76x = 120,664.86 × 24,277.44 - Step 4: Simplify right side
80,432.76x = 2,929,433,898.76 - Step 5: Solve for x
x = 2,929,433,898.76/80,432.76 - Step 6: Final answer
x = 36,420.90
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1.5x scale
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.