Finding the Fourth Proportional to 80,473.08, 120,709.77 and 27,882.62
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Solution
The fourth proportional to 80,473.08, 120,709.77 and 27,882.62 is: 41,823.97
Step by Step Solution
- Step 1: Write the proportion equation
80,473.08 : 120,709.77 = 27,882.62 : x - Step 2: Convert to fraction form
80,473.08/120,709.77 = 27,882.62/x - Step 3: Cross multiply
80,473.08x = 120,709.77 × 27,882.62 - Step 4: Simplify right side
80,473.08x = 3,365,704,043.65 - Step 5: Solve for x
x = 3,365,704,043.65/80,473.08 - Step 6: Final answer
x = 41,823.97
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1.5x scale
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.