Finding the Fourth Proportional to 72,124.41, 108,163.50 and 24,082.70
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Solution
The fourth proportional to 72,124.41, 108,163.50 and 24,082.70 is: 36,116.33
Step by Step Solution
- Step 1: Write the proportion equation
72,124.41 : 108,163.50 = 24,082.70 : x - Step 2: Convert to fraction form
72,124.41/108,163.50 = 24,082.70/x - Step 3: Cross multiply
72,124.41x = 108,163.50 × 24,082.70 - Step 4: Simplify right side
72,124.41x = 2,604,868,851.04 - Step 5: Solve for x
x = 2,604,868,851.04/72,124.41 - Step 6: Final answer
x = 36,116.33
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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.