Finding the Fourth Proportional to 88,929.12, 133,360.20 and 36,310.44
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Solution
The fourth proportional to 88,929.12, 133,360.20 and 36,310.44 is: 54,451.99
Step by Step Solution
- Step 1: Write the proportion equation
88,929.12 : 133,360.20 = 36,310.44 : x - Step 2: Convert to fraction form
88,929.12/133,360.20 = 36,310.44/x - Step 3: Cross multiply
88,929.12x = 133,360.20 × 36,310.44 - Step 4: Simplify right side
88,929.12x = 4,842,367,540.49 - Step 5: Solve for x
x = 4,842,367,540.49/88,929.12 - Step 6: Final answer
x = 54,451.99
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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.