Home / 57,956.13-86,934.20-31,646.52

Finding the Fourth Proportional to 57,956.13, 86,934.20 and 31,646.52

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Solution

The fourth proportional to 57,956.13, 86,934.20 and 31,646.52 is: 47,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956.13 : 86,934.20 = 31,646.52 : x
  2. Step 2: Convert to fraction form
    57,956.13/86,934.20 = 31,646.52/x
  3. Step 3: Cross multiply
    57,956.13x = 86,934.20 × 31,646.52
  4. Step 4: Simplify right side
    57,956.13x = 2,751,164,898.98
  5. Step 5: Solve for x
    x = 2,751,164,898.98/57,956.13
  6. Step 6: Final answer
    x = 47,469.78

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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.