Finding the Fourth Proportional to 87,568.53, 120,844.71 and 49,842.78
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Solution
The fourth proportional to 87,568.53, 120,844.71 and 49,842.78 is: 68,783.12
Step by Step Solution
- Step 1: Write the proportion equation
87,568.53 : 120,844.71 = 49,842.78 : x - Step 2: Convert to fraction form
87,568.53/120,844.71 = 49,842.78/x - Step 3: Cross multiply
87,568.53x = 120,844.71 × 49,842.78 - Step 4: Simplify right side
87,568.53x = 6,023,236,472.20 - Step 5: Solve for x
x = 6,023,236,472.20/87,568.53 - Step 6: Final answer
x = 68,783.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.