Home / 87,558.88-120,835.92-49,845.28

Finding the Fourth Proportional to 87,558.88, 120,835.92 and 49,845.28

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Solution

The fourth proportional to 87,558.88, 120,835.92 and 49,845.28 is: 68,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,558.88 : 120,835.92 = 49,845.28 : x
  2. Step 2: Convert to fraction form
    87,558.88/120,835.92 = 49,845.28/x
  3. Step 3: Cross multiply
    87,558.88x = 120,835.92 × 49,845.28
  4. Step 4: Simplify right side
    87,558.88x = 6,023,100,266.46
  5. Step 5: Solve for x
    x = 6,023,100,266.46/87,558.88
  6. Step 6: Final answer
    x = 68,789.14

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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.