Home / 87,882.60-131,911.39-48,458.28

Finding the Fourth Proportional to 87,882.60, 131,911.39 and 48,458.28

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Solution

The fourth proportional to 87,882.60, 131,911.39 and 48,458.28 is: 72,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.60 : 131,911.39 = 48,458.28 : x
  2. Step 2: Convert to fraction form
    87,882.60/131,911.39 = 48,458.28/x
  3. Step 3: Cross multiply
    87,882.60x = 131,911.39 × 48,458.28
  4. Step 4: Simplify right side
    87,882.60x = 6,392,199,071.81
  5. Step 5: Solve for x
    x = 6,392,199,071.81/87,882.60
  6. Step 6: Final answer
    x = 72,735.66

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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.