Finding the Fourth Proportional to 71,329.26, 106,902.33 and 26,903.10
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Solution
The fourth proportional to 71,329.26, 106,902.33 and 26,903.10 is: 40,320.12
Step by Step Solution
- Step 1: Write the proportion equation
71,329.26 : 106,902.33 = 26,903.10 : x - Step 2: Convert to fraction form
71,329.26/106,902.33 = 26,903.10/x - Step 3: Cross multiply
71,329.26x = 106,902.33 × 26,903.10 - Step 4: Simplify right side
71,329.26x = 2,876,004,074.22 - Step 5: Solve for x
x = 2,876,004,074.22/71,329.26 - Step 6: Final answer
x = 40,320.12
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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.