Finding the Fourth Proportional to 68,512.24, 102,775.20 and 18,593.12
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Solution
The fourth proportional to 68,512.24, 102,775.20 and 18,593.12 is: 27,891.54
Step by Step Solution
- Step 1: Write the proportion equation
68,512.24 : 102,775.20 = 18,593.12 : x - Step 2: Convert to fraction form
68,512.24/102,775.20 = 18,593.12/x - Step 3: Cross multiply
68,512.24x = 102,775.20 × 18,593.12 - Step 4: Simplify right side
68,512.24x = 1,910,911,626.62 - Step 5: Solve for x
x = 1,910,911,626.62/68,512.24 - Step 6: Final answer
x = 27,891.54
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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.