Finding the Fourth Proportional to 80,375.12, 110,917.12 and 44,565.14
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Solution
The fourth proportional to 80,375.12, 110,917.12 and 44,565.14 is: 61,499.59
Step by Step Solution
- Step 1: Write the proportion equation
80,375.12 : 110,917.12 = 44,565.14 : x - Step 2: Convert to fraction form
80,375.12/110,917.12 = 44,565.14/x - Step 3: Cross multiply
80,375.12x = 110,917.12 × 44,565.14 - Step 4: Simplify right side
80,375.12x = 4,943,036,981.20 - Step 5: Solve for x
x = 4,943,036,981.20/80,375.12 - Step 6: Final answer
x = 61,499.59
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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.