Home / 87,101.01-120,199.41-49,375.26

Finding the Fourth Proportional to 87,101.01, 120,199.41 and 49,375.26

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Solution

The fourth proportional to 87,101.01, 120,199.41 and 49,375.26 is: 68,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,101.01 : 120,199.41 = 49,375.26 : x
  2. Step 2: Convert to fraction form
    87,101.01/120,199.41 = 49,375.26/x
  3. Step 3: Cross multiply
    87,101.01x = 120,199.41 × 49,375.26
  4. Step 4: Simplify right side
    87,101.01x = 5,934,877,120.60
  5. Step 5: Solve for x
    x = 5,934,877,120.60/87,101.01
  6. Step 6: Final answer
    x = 68,137.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.