Home / 54,524.10-81,786.15-35,861.70

Finding the Fourth Proportional to 54,524.10, 81,786.15 and 35,861.70

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Solution

The fourth proportional to 54,524.10, 81,786.15 and 35,861.70 is: 53,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,524.10 : 81,786.15 = 35,861.70 : x
  2. Step 2: Convert to fraction form
    54,524.10/81,786.15 = 35,861.70/x
  3. Step 3: Cross multiply
    54,524.10x = 81,786.15 × 35,861.70
  4. Step 4: Simplify right side
    54,524.10x = 2,932,990,375.46
  5. Step 5: Solve for x
    x = 2,932,990,375.46/54,524.10
  6. Step 6: Final answer
    x = 53,792.55

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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.