Home / 87,819.75-131,735.48-30,886.82

Finding the Fourth Proportional to 87,819.75, 131,735.48 and 30,886.82

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Solution

The fourth proportional to 87,819.75, 131,735.48 and 30,886.82 is: 46,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.75 : 131,735.48 = 30,886.82 : x
  2. Step 2: Convert to fraction form
    87,819.75/131,735.48 = 30,886.82/x
  3. Step 3: Cross multiply
    87,819.75x = 131,735.48 × 30,886.82
  4. Step 4: Simplify right side
    87,819.75x = 4,068,890,058.37
  5. Step 5: Solve for x
    x = 4,068,890,058.37/87,819.75
  6. Step 6: Final answer
    x = 46,332.29

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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.