Finding the Fourth Proportional to 83,818.44, 125,850.69 and 52,362.54
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Solution
The fourth proportional to 83,818.44, 125,850.69 and 52,362.54 is: 78,620.67
Step by Step Solution
- Step 1: Write the proportion equation
83,818.44 : 125,850.69 = 52,362.54 : x - Step 2: Convert to fraction form
83,818.44/125,850.69 = 52,362.54/x - Step 3: Cross multiply
83,818.44x = 125,850.69 × 52,362.54 - Step 4: Simplify right side
83,818.44x = 6,589,861,789.15 - Step 5: Solve for x
x = 6,589,861,789.15/83,818.44 - Step 6: Final answer
x = 78,620.67
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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.