Finding the Fourth Proportional to 80,138.26, 110,589.78 and 44,327.62
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Solution
The fourth proportional to 80,138.26, 110,589.78 and 44,327.62 is: 61,171.55
Step by Step Solution
- Step 1: Write the proportion equation
80,138.26 : 110,589.78 = 44,327.62 : x - Step 2: Convert to fraction form
80,138.26/110,589.78 = 44,327.62/x - Step 3: Cross multiply
80,138.26x = 110,589.78 × 44,327.62 - Step 4: Simplify right side
80,138.26x = 4,902,181,743.72 - Step 5: Solve for x
x = 4,902,181,743.72/80,138.26 - Step 6: Final answer
x = 61,171.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.