Finding the Fourth Proportional to 88,702.08, 133,078.08 and 36,149.28
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Solution
The fourth proportional to 88,702.08, 133,078.08 and 36,149.28 is: 54,234.09
Step by Step Solution
- Step 1: Write the proportion equation
88,702.08 : 133,078.08 = 36,149.28 : x - Step 2: Convert to fraction form
88,702.08/133,078.08 = 36,149.28/x - Step 3: Cross multiply
88,702.08x = 133,078.08 × 36,149.28 - Step 4: Simplify right side
88,702.08x = 4,810,676,775.78 - Step 5: Solve for x
x = 4,810,676,775.78/88,702.08 - Step 6: Final answer
x = 54,234.09
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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.