Home / 57,238.20-85,857.30-26,134.20

Finding the Fourth Proportional to 57,238.20, 85,857.30 and 26,134.20

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Solution

The fourth proportional to 57,238.20, 85,857.30 and 26,134.20 is: 39,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.20 : 85,857.30 = 26,134.20 : x
  2. Step 2: Convert to fraction form
    57,238.20/85,857.30 = 26,134.20/x
  3. Step 3: Cross multiply
    57,238.20x = 85,857.30 × 26,134.20
  4. Step 4: Simplify right side
    57,238.20x = 2,243,811,849.66
  5. Step 5: Solve for x
    x = 2,243,811,849.66/57,238.20
  6. Step 6: Final answer
    x = 39,201.30

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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.