Home / 81,627.24-122,439.24-33,585.75

Finding the Fourth Proportional to 81,627.24, 122,439.24 and 33,585.75

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Solution

The fourth proportional to 81,627.24, 122,439.24 and 33,585.75 is: 50,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,627.24 : 122,439.24 = 33,585.75 : x
  2. Step 2: Convert to fraction form
    81,627.24/122,439.24 = 33,585.75/x
  3. Step 3: Cross multiply
    81,627.24x = 122,439.24 × 33,585.75
  4. Step 4: Simplify right side
    81,627.24x = 4,112,213,704.83
  5. Step 5: Solve for x
    x = 4,112,213,704.83/81,627.24
  6. Step 6: Final answer
    x = 50,377.96

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1.5x scale

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.