Finding the Fourth Proportional to 75,306.36, 112,890.30 and 32,585.11
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Solution
The fourth proportional to 75,306.36, 112,890.30 and 32,585.11 is: 48,847.70
Step by Step Solution
- Step 1: Write the proportion equation
75,306.36 : 112,890.30 = 32,585.11 : x - Step 2: Convert to fraction form
75,306.36/112,890.30 = 32,585.11/x - Step 3: Cross multiply
75,306.36x = 112,890.30 × 32,585.11 - Step 4: Simplify right side
75,306.36x = 3,678,542,398.28 - Step 5: Solve for x
x = 3,678,542,398.28/75,306.36 - Step 6: Final answer
x = 48,847.70
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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.