Finding the Fourth Proportional to 80,868.12, 121,306.68 and 24,716.76
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Solution
The fourth proportional to 80,868.12, 121,306.68 and 24,716.76 is: 37,076.52
Step by Step Solution
- Step 1: Write the proportion equation
80,868.12 : 121,306.68 = 24,716.76 : x - Step 2: Convert to fraction form
80,868.12/121,306.68 = 24,716.76/x - Step 3: Cross multiply
80,868.12x = 121,306.68 × 24,716.76 - Step 4: Simplify right side
80,868.12x = 2,998,308,095.96 - Step 5: Solve for x
x = 2,998,308,095.96/80,868.12 - Step 6: Final answer
x = 37,076.52
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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.