Home / 125,304.43-187,991.33-57,857.10

Finding the Fourth Proportional to 125,304.43, 187,991.33 and 57,857.10

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Solution

The fourth proportional to 125,304.43, 187,991.33 and 57,857.10 is: 86,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,304.43 : 187,991.33 = 57,857.10 : x
  2. Step 2: Convert to fraction form
    125,304.43/187,991.33 = 57,857.10/x
  3. Step 3: Cross multiply
    125,304.43x = 187,991.33 × 57,857.10
  4. Step 4: Simplify right side
    125,304.43x = 10,876,632,889.66
  5. Step 5: Solve for x
    x = 10,876,632,889.66/125,304.43
  6. Step 6: Final answer
    x = 86,801.66

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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.