Home / 87,860.15-131,844.36-34,542.75

Finding the Fourth Proportional to 87,860.15, 131,844.36 and 34,542.75

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Solution

The fourth proportional to 87,860.15, 131,844.36 and 34,542.75 is: 51,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.15 : 131,844.36 = 34,542.75 : x
  2. Step 2: Convert to fraction form
    87,860.15/131,844.36 = 34,542.75/x
  3. Step 3: Cross multiply
    87,860.15x = 131,844.36 × 34,542.75
  4. Step 4: Simplify right side
    87,860.15x = 4,554,266,766.39
  5. Step 5: Solve for x
    x = 4,554,266,766.39/87,860.15
  6. Step 6: Final answer
    x = 51,835.41

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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.