Home / 87,299.76-131,007.04-47,884.52

Finding the Fourth Proportional to 87,299.76, 131,007.04 and 47,884.52

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Solution

The fourth proportional to 87,299.76, 131,007.04 and 47,884.52 is: 71,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,299.76 : 131,007.04 = 47,884.52 : x
  2. Step 2: Convert to fraction form
    87,299.76/131,007.04 = 47,884.52/x
  3. Step 3: Cross multiply
    87,299.76x = 131,007.04 × 47,884.52
  4. Step 4: Simplify right side
    87,299.76x = 6,273,209,227.02
  5. Step 5: Solve for x
    x = 6,273,209,227.02/87,299.76
  6. Step 6: Final answer
    x = 71,858.26

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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.