Home / 57,385.11-86,077.68-17,942.58

Finding the Fourth Proportional to 57,385.11, 86,077.68 and 17,942.58

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Solution

The fourth proportional to 57,385.11, 86,077.68 and 17,942.58 is: 26,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.11 : 86,077.68 = 17,942.58 : x
  2. Step 2: Convert to fraction form
    57,385.11/86,077.68 = 17,942.58/x
  3. Step 3: Cross multiply
    57,385.11x = 86,077.68 × 17,942.58
  4. Step 4: Simplify right side
    57,385.11x = 1,544,455,659.61
  5. Step 5: Solve for x
    x = 1,544,455,659.61/57,385.11
  6. Step 6: Final answer
    x = 26,913.87

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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.