Finding the Fourth Proportional to 84,086.91, 126,137.66 and 24,115.68
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Solution
The fourth proportional to 84,086.91, 126,137.66 and 24,115.68 is: 36,175.61
Step by Step Solution
- Step 1: Write the proportion equation
84,086.91 : 126,137.66 = 24,115.68 : x - Step 2: Convert to fraction form
84,086.91/126,137.66 = 24,115.68/x - Step 3: Cross multiply
84,086.91x = 126,137.66 × 24,115.68 - Step 4: Simplify right side
84,086.91x = 3,041,895,323.93 - Step 5: Solve for x
x = 3,041,895,323.93/84,086.91 - Step 6: Final answer
x = 36,175.61
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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.