Finding the Fourth Proportional to 68,531.13, 102,757.82 and 50,024.25
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Solution
The fourth proportional to 68,531.13, 102,757.82 and 50,024.25 is: 75,007.99
Step by Step Solution
- Step 1: Write the proportion equation
68,531.13 : 102,757.82 = 50,024.25 : x - Step 2: Convert to fraction form
68,531.13/102,757.82 = 50,024.25/x - Step 3: Cross multiply
68,531.13x = 102,757.82 × 50,024.25 - Step 4: Simplify right side
68,531.13x = 5,140,382,627.01 - Step 5: Solve for x
x = 5,140,382,627.01/68,531.13 - Step 6: Final answer
x = 75,007.99
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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.