Home / 87,929.60-131,801.44-28,749.44

Finding the Fourth Proportional to 87,929.60, 131,801.44 and 28,749.44

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Solution

The fourth proportional to 87,929.60, 131,801.44 and 28,749.44 is: 43,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,929.60 : 131,801.44 = 28,749.44 : x
  2. Step 2: Convert to fraction form
    87,929.60/131,801.44 = 28,749.44/x
  3. Step 3: Cross multiply
    87,929.60x = 131,801.44 × 28,749.44
  4. Step 4: Simplify right side
    87,929.60x = 3,789,217,591.19
  5. Step 5: Solve for x
    x = 3,789,217,591.19/87,929.60
  6. Step 6: Final answer
    x = 43,093.77

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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.