Home / 87,956.70-131,886.45-38,028.30

Finding the Fourth Proportional to 87,956.70, 131,886.45 and 38,028.30

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Solution

The fourth proportional to 87,956.70, 131,886.45 and 38,028.30 is: 57,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956.70 : 131,886.45 = 38,028.30 : x
  2. Step 2: Convert to fraction form
    87,956.70/131,886.45 = 38,028.30/x
  3. Step 3: Cross multiply
    87,956.70x = 131,886.45 × 38,028.30
  4. Step 4: Simplify right side
    87,956.70x = 5,015,417,486.54
  5. Step 5: Solve for x
    x = 5,015,417,486.54/87,956.70
  6. Step 6: Final answer
    x = 57,021.44

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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.