Finding the Fourth Proportional to 80,099.28, 120,121.58 and 32,706.99
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Solution
The fourth proportional to 80,099.28, 120,121.58 and 32,706.99 is: 49,049.32
Step by Step Solution
- Step 1: Write the proportion equation
80,099.28 : 120,121.58 = 32,706.99 : x - Step 2: Convert to fraction form
80,099.28/120,121.58 = 32,706.99/x - Step 3: Cross multiply
80,099.28x = 120,121.58 × 32,706.99 - Step 4: Simplify right side
80,099.28x = 3,928,815,397.61 - Step 5: Solve for x
x = 3,928,815,397.61/80,099.28 - Step 6: Final answer
x = 49,049.32
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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.