Home / 87,301.28-131,009.30-47,886.04

Finding the Fourth Proportional to 87,301.28, 131,009.30 and 47,886.04

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Solution

The fourth proportional to 87,301.28, 131,009.30 and 47,886.04 is: 71,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,301.28 : 131,009.30 = 47,886.04 : x
  2. Step 2: Convert to fraction form
    87,301.28/131,009.30 = 47,886.04/x
  3. Step 3: Cross multiply
    87,301.28x = 131,009.30 × 47,886.04
  4. Step 4: Simplify right side
    87,301.28x = 6,273,516,580.17
  5. Step 5: Solve for x
    x = 6,273,516,580.17/87,301.28
  6. Step 6: Final answer
    x = 71,860.53

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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.