Finding the Fourth Proportional to 80,753.97, 121,135.81 and 34,010.49
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Solution
The fourth proportional to 80,753.97, 121,135.81 and 34,010.49 is: 51,017.78
Step by Step Solution
- Step 1: Write the proportion equation
80,753.97 : 121,135.81 = 34,010.49 : x - Step 2: Convert to fraction form
80,753.97/121,135.81 = 34,010.49/x - Step 3: Cross multiply
80,753.97x = 121,135.81 × 34,010.49 - Step 4: Simplify right side
80,753.97x = 4,119,888,254.65 - Step 5: Solve for x
x = 4,119,888,254.65/80,753.97 - Step 6: Final answer
x = 51,017.78
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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.