Finding the Fourth Proportional to 67,653.47, 101,425.52 and 28,240.09
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Solution
The fourth proportional to 67,653.47, 101,425.52 and 28,240.09 is: 42,337.30
Step by Step Solution
- Step 1: Write the proportion equation
67,653.47 : 101,425.52 = 28,240.09 : x - Step 2: Convert to fraction form
67,653.47/101,425.52 = 28,240.09/x - Step 3: Cross multiply
67,653.47x = 101,425.52 × 28,240.09 - Step 4: Simplify right side
67,653.47x = 2,864,265,630.13 - Step 5: Solve for x
x = 2,864,265,630.13/67,653.47 - Step 6: Final answer
x = 42,337.30
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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.