Home / 57,098.24-78,789.41-31,600.56

Finding the Fourth Proportional to 57,098.24, 78,789.41 and 31,600.56

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Solution

The fourth proportional to 57,098.24, 78,789.41 and 31,600.56 is: 43,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.24 : 78,789.41 = 31,600.56 : x
  2. Step 2: Convert to fraction form
    57,098.24/78,789.41 = 31,600.56/x
  3. Step 3: Cross multiply
    57,098.24x = 78,789.41 × 31,600.56
  4. Step 4: Simplify right side
    57,098.24x = 2,489,789,069.24
  5. Step 5: Solve for x
    x = 2,489,789,069.24/57,098.24
  6. Step 6: Final answer
    x = 43,605.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.