Home / 87,931.44-131,881.68-25,587.36

Finding the Fourth Proportional to 87,931.44, 131,881.68 and 25,587.36

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Solution

The fourth proportional to 87,931.44, 131,881.68 and 25,587.36 is: 38,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,931.44 : 131,881.68 = 25,587.36 : x
  2. Step 2: Convert to fraction form
    87,931.44/131,881.68 = 25,587.36/x
  3. Step 3: Cross multiply
    87,931.44x = 131,881.68 × 25,587.36
  4. Step 4: Simplify right side
    87,931.44x = 3,374,504,023.56
  5. Step 5: Solve for x
    x = 3,374,504,023.56/87,931.44
  6. Step 6: Final answer
    x = 38,376.54

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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.