Finding the Fourth Proportional to 80,345.70, 120,400.11 and 44,757.99
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Solution
The fourth proportional to 80,345.70, 120,400.11 and 44,757.99 is: 67,071.01
Step by Step Solution
- Step 1: Write the proportion equation
80,345.70 : 120,400.11 = 44,757.99 : x - Step 2: Convert to fraction form
80,345.70/120,400.11 = 44,757.99/x - Step 3: Cross multiply
80,345.70x = 120,400.11 × 44,757.99 - Step 4: Simplify right side
80,345.70x = 5,388,866,919.38 - Step 5: Solve for x
x = 5,388,866,919.38/80,345.70 - Step 6: Final answer
x = 67,071.01
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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.