Home / 57,209.24-85,825.20-22,149.20

Finding the Fourth Proportional to 57,209.24, 85,825.20 and 22,149.20

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Solution

The fourth proportional to 57,209.24, 85,825.20 and 22,149.20 is: 33,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.24 : 85,825.20 = 22,149.20 : x
  2. Step 2: Convert to fraction form
    57,209.24/85,825.20 = 22,149.20/x
  3. Step 3: Cross multiply
    57,209.24x = 85,825.20 × 22,149.20
  4. Step 4: Simplify right side
    57,209.24x = 1,900,959,519.84
  5. Step 5: Solve for x
    x = 1,900,959,519.84/57,209.24
  6. Step 6: Final answer
    x = 33,228.19

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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.