Finding the Fourth Proportional to 75,229.48, 104,291.95 and 71,234.68
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Solution
The fourth proportional to 75,229.48, 104,291.95 and 71,234.68 is: 98,753.89
Step by Step Solution
- Step 1: Write the proportion equation
75,229.48 : 104,291.95 = 71,234.68 : x - Step 2: Convert to fraction form
75,229.48/104,291.95 = 71,234.68/x - Step 3: Cross multiply
75,229.48x = 104,291.95 × 71,234.68 - Step 4: Simplify right side
75,229.48x = 7,429,203,684.83 - Step 5: Solve for x
x = 7,429,203,684.83/75,229.48 - Step 6: Final answer
x = 98,753.89
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.