Finding the Fourth Proportional to 71,115.03, 106,590.42 and 26,713.44
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Solution
The fourth proportional to 71,115.03, 106,590.42 and 26,713.44 is: 40,039.31
Step by Step Solution
- Step 1: Write the proportion equation
71,115.03 : 106,590.42 = 26,713.44 : x - Step 2: Convert to fraction form
71,115.03/106,590.42 = 26,713.44/x - Step 3: Cross multiply
71,115.03x = 106,590.42 × 26,713.44 - Step 4: Simplify right side
71,115.03x = 2,847,396,789.24 - Step 5: Solve for x
x = 2,847,396,789.24/71,115.03 - Step 6: Final answer
x = 40,039.31
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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.