Finding the Fourth Proportional to 83,481.88, 125,183.18 and 48,432.28
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Solution
The fourth proportional to 83,481.88, 125,183.18 and 48,432.28 is: 72,625.42
Step by Step Solution
- Step 1: Write the proportion equation
83,481.88 : 125,183.18 = 48,432.28 : x - Step 2: Convert to fraction form
83,481.88/125,183.18 = 48,432.28/x - Step 3: Cross multiply
83,481.88x = 125,183.18 × 48,432.28 - Step 4: Simplify right side
83,481.88x = 6,062,906,825.05 - Step 5: Solve for x
x = 6,062,906,825.05/83,481.88 - Step 6: Final answer
x = 72,625.42
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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.