Finding the Fourth Proportional to 67,097.12, 100,658.00 and 22,121.12
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Solution
The fourth proportional to 67,097.12, 100,658.00 and 22,121.12 is: 33,185.75
Step by Step Solution
- Step 1: Write the proportion equation
67,097.12 : 100,658.00 = 22,121.12 : x - Step 2: Convert to fraction form
67,097.12/100,658.00 = 22,121.12/x - Step 3: Cross multiply
67,097.12x = 100,658.00 × 22,121.12 - Step 4: Simplify right side
67,097.12x = 2,226,668,003.91 - Step 5: Solve for x
x = 2,226,668,003.91/67,097.12 - Step 6: Final answer
x = 33,185.75
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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.