Home / 81,818.35-122,763.06-44,404.85

Finding the Fourth Proportional to 81,818.35, 122,763.06 and 44,404.85

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Solution

The fourth proportional to 81,818.35, 122,763.06 and 44,404.85 is: 66,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,818.35 : 122,763.06 = 44,404.85 : x
  2. Step 2: Convert to fraction form
    81,818.35/122,763.06 = 44,404.85/x
  3. Step 3: Cross multiply
    81,818.35x = 122,763.06 × 44,404.85
  4. Step 4: Simplify right side
    81,818.35x = 5,451,275,571.75
  5. Step 5: Solve for x
    x = 5,451,275,571.75/81,818.35
  6. Step 6: Final answer
    x = 66,626.57

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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.