Home / 57,212.20-85,819.10-17,766.82

Finding the Fourth Proportional to 57,212.20, 85,819.10 and 17,766.82

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Solution

The fourth proportional to 57,212.20, 85,819.10 and 17,766.82 is: 26,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.20 : 85,819.10 = 17,766.82 : x
  2. Step 2: Convert to fraction form
    57,212.20/85,819.10 = 17,766.82/x
  3. Step 3: Cross multiply
    57,212.20x = 85,819.10 × 17,766.82
  4. Step 4: Simplify right side
    57,212.20x = 1,524,732,502.26
  5. Step 5: Solve for x
    x = 1,524,732,502.26/57,212.20
  6. Step 6: Final answer
    x = 26,650.48

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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.