Home / 57,943.20-86,785.20-50,167.20

Finding the Fourth Proportional to 57,943.20, 86,785.20 and 50,167.20

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Solution

The fourth proportional to 57,943.20, 86,785.20 and 50,167.20 is: 75,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.20 : 86,785.20 = 50,167.20 : x
  2. Step 2: Convert to fraction form
    57,943.20/86,785.20 = 50,167.20/x
  3. Step 3: Cross multiply
    57,943.20x = 86,785.20 × 50,167.20
  4. Step 4: Simplify right side
    57,943.20x = 4,353,770,485.44
  5. Step 5: Solve for x
    x = 4,353,770,485.44/57,943.20
  6. Step 6: Final answer
    x = 75,138.59

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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.