Finding the Fourth Proportional to 84,375.81, 126,793.64 and 44,961.09
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Solution
The fourth proportional to 84,375.81, 126,793.64 and 44,961.09 is: 67,564.15
Step by Step Solution
- Step 1: Write the proportion equation
84,375.81 : 126,793.64 = 44,961.09 : x - Step 2: Convert to fraction form
84,375.81/126,793.64 = 44,961.09/x - Step 3: Cross multiply
84,375.81x = 126,793.64 × 44,961.09 - Step 4: Simplify right side
84,375.81x = 5,700,780,034.66 - Step 5: Solve for x
x = 5,700,780,034.66/84,375.81 - Step 6: Final answer
x = 67,564.15
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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.