Finding the Fourth Proportional to 80,117.62, 110,561.36 and 44,306.85
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Solution
The fourth proportional to 80,117.62, 110,561.36 and 44,306.85 is: 61,142.92
Step by Step Solution
- Step 1: Write the proportion equation
80,117.62 : 110,561.36 = 44,306.85 : x - Step 2: Convert to fraction form
80,117.62/110,561.36 = 44,306.85/x - Step 3: Cross multiply
80,117.62x = 110,561.36 × 44,306.85 - Step 4: Simplify right side
80,117.62x = 4,898,625,371.78 - Step 5: Solve for x
x = 4,898,625,371.78/80,117.62 - Step 6: Final answer
x = 61,142.92
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1.5x scale
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.