Finding the Fourth Proportional to 80,106.80, 120,158.84 and 32,711.44
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Solution
The fourth proportional to 80,106.80, 120,158.84 and 32,711.44 is: 49,066.60
Step by Step Solution
- Step 1: Write the proportion equation
80,106.80 : 120,158.84 = 32,711.44 : x - Step 2: Convert to fraction form
80,106.80/120,158.84 = 32,711.44/x - Step 3: Cross multiply
80,106.80x = 120,158.84 × 32,711.44 - Step 4: Simplify right side
80,106.80x = 3,930,568,685.13 - Step 5: Solve for x
x = 3,930,568,685.13/80,106.80 - Step 6: Final answer
x = 49,066.60
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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.