Finding the Fourth Proportional to 67,497.12, 101,265.36 and 28,046.88
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Solution
The fourth proportional to 67,497.12, 101,265.36 and 28,046.88 is: 42,078.50
Step by Step Solution
- Step 1: Write the proportion equation
67,497.12 : 101,265.36 = 28,046.88 : x - Step 2: Convert to fraction form
67,497.12/101,265.36 = 28,046.88/x - Step 3: Cross multiply
67,497.12x = 101,265.36 × 28,046.88 - Step 4: Simplify right side
67,497.12x = 2,840,177,400.08 - Step 5: Solve for x
x = 2,840,177,400.08/67,497.12 - Step 6: Final answer
x = 42,078.50
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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.