Finding the Fourth Proportional to 79,620.26, 119,446.04 and 26,310.08
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Solution
The fourth proportional to 79,620.26, 119,446.04 and 26,310.08 is: 39,470.30
Step by Step Solution
- Step 1: Write the proportion equation
79,620.26 : 119,446.04 = 26,310.08 : x - Step 2: Convert to fraction form
79,620.26/119,446.04 = 26,310.08/x - Step 3: Cross multiply
79,620.26x = 119,446.04 × 26,310.08 - Step 4: Simplify right side
79,620.26x = 3,142,635,232.47 - Step 5: Solve for x
x = 3,142,635,232.47/79,620.26 - Step 6: Final answer
x = 39,470.30
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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.