Finding the Fourth Proportional to 80,432.26, 120,670.26 and 27,845.84
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Solution
The fourth proportional to 80,432.26, 120,670.26 and 27,845.84 is: 41,776.34
Step by Step Solution
- Step 1: Write the proportion equation
80,432.26 : 120,670.26 = 27,845.84 : x - Step 2: Convert to fraction form
80,432.26/120,670.26 = 27,845.84/x - Step 3: Cross multiply
80,432.26x = 120,670.26 × 27,845.84 - Step 4: Simplify right side
80,432.26x = 3,360,164,949.97 - Step 5: Solve for x
x = 3,360,164,949.97/80,432.26 - Step 6: Final answer
x = 41,776.34
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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.