Finding the Fourth Proportional to 71,151.10, 106,611.45 and 44,808.70
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Solution
The fourth proportional to 71,151.10, 106,611.45 and 44,808.70 is: 67,140.50
Step by Step Solution
- Step 1: Write the proportion equation
71,151.10 : 106,611.45 = 44,808.70 : x - Step 2: Convert to fraction form
71,151.10/106,611.45 = 44,808.70/x - Step 3: Cross multiply
71,151.10x = 106,611.45 × 44,808.70 - Step 4: Simplify right side
71,151.10x = 4,777,120,479.62 - Step 5: Solve for x
x = 4,777,120,479.62/71,151.10 - Step 6: Final answer
x = 67,140.50
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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.