Finding the Fourth Proportional to 68,616.26, 102,791.20 and 50,571.69
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Solution
The fourth proportional to 68,616.26, 102,791.20 and 50,571.69 is: 75,759.37
Step by Step Solution
- Step 1: Write the proportion equation
68,616.26 : 102,791.20 = 50,571.69 : x - Step 2: Convert to fraction form
68,616.26/102,791.20 = 50,571.69/x - Step 3: Cross multiply
68,616.26x = 102,791.20 × 50,571.69 - Step 4: Simplify right side
68,616.26x = 5,198,324,701.13 - Step 5: Solve for x
x = 5,198,324,701.13/68,616.26 - Step 6: Final answer
x = 75,759.37
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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.