Finding the Fourth Proportional to 80,107.20, 120,160.80 and 44,677.80
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Solution
The fourth proportional to 80,107.20, 120,160.80 and 44,677.80 is: 67,016.70
Step by Step Solution
- Step 1: Write the proportion equation
80,107.20 : 120,160.80 = 44,677.80 : x - Step 2: Convert to fraction form
80,107.20/120,160.80 = 44,677.80/x - Step 3: Cross multiply
80,107.20x = 120,160.80 × 44,677.80 - Step 4: Simplify right side
80,107.20x = 5,368,520,190.24 - Step 5: Solve for x
x = 5,368,520,190.24/80,107.20 - Step 6: Final answer
x = 67,016.70
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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.