Finding the Fourth Proportional to 75,006.39, 112,540.65 and 32,864.70
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Solution
The fourth proportional to 75,006.39, 112,540.65 and 32,864.70 is: 49,310.66
Step by Step Solution
- Step 1: Write the proportion equation
75,006.39 : 112,540.65 = 32,864.70 : x - Step 2: Convert to fraction form
75,006.39/112,540.65 = 32,864.70/x - Step 3: Cross multiply
75,006.39x = 112,540.65 × 32,864.70 - Step 4: Simplify right side
75,006.39x = 3,698,614,700.06 - Step 5: Solve for x
x = 3,698,614,700.06/75,006.39 - Step 6: Final answer
x = 49,310.66
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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.