Home / 87,843.76-131,655.28-37,865.36

Finding the Fourth Proportional to 87,843.76, 131,655.28 and 37,865.36

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Solution

The fourth proportional to 87,843.76, 131,655.28 and 37,865.36 is: 56,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.76 : 131,655.28 = 37,865.36 : x
  2. Step 2: Convert to fraction form
    87,843.76/131,655.28 = 37,865.36/x
  3. Step 3: Cross multiply
    87,843.76x = 131,655.28 × 37,865.36
  4. Step 4: Simplify right side
    87,843.76x = 4,985,174,573.10
  5. Step 5: Solve for x
    x = 4,985,174,573.10/87,843.76
  6. Step 6: Final answer
    x = 56,750.47

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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.