Finding the Fourth Proportional to 80,287.62, 110,788.84 and 44,470.94
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Solution
The fourth proportional to 80,287.62, 110,788.84 and 44,470.94 is: 61,365.42
Step by Step Solution
- Step 1: Write the proportion equation
80,287.62 : 110,788.84 = 44,470.94 : x - Step 2: Convert to fraction form
80,287.62/110,788.84 = 44,470.94/x - Step 3: Cross multiply
80,287.62x = 110,788.84 × 44,470.94 - Step 4: Simplify right side
80,287.62x = 4,926,883,856.31 - Step 5: Solve for x
x = 4,926,883,856.31/80,287.62 - Step 6: Final answer
x = 61,365.42
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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.