Home / 87,874.78-131,723.40-34,604.14

Finding the Fourth Proportional to 87,874.78, 131,723.40 and 34,604.14

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Solution

The fourth proportional to 87,874.78, 131,723.40 and 34,604.14 is: 51,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.78 : 131,723.40 = 34,604.14 : x
  2. Step 2: Convert to fraction form
    87,874.78/131,723.40 = 34,604.14/x
  3. Step 3: Cross multiply
    87,874.78x = 131,723.40 × 34,604.14
  4. Step 4: Simplify right side
    87,874.78x = 4,558,174,143.24
  5. Step 5: Solve for x
    x = 4,558,174,143.24/87,874.78
  6. Step 6: Final answer
    x = 51,871.25

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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.