Home / 125,306.64-187,897.77-39,906.36

Finding the Fourth Proportional to 125,306.64, 187,897.77 and 39,906.36

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Solution

The fourth proportional to 125,306.64, 187,897.77 and 39,906.36 is: 59,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306.64 : 187,897.77 = 39,906.36 : x
  2. Step 2: Convert to fraction form
    125,306.64/187,897.77 = 39,906.36/x
  3. Step 3: Cross multiply
    125,306.64x = 187,897.77 × 39,906.36
  4. Step 4: Simplify right side
    125,306.64x = 7,498,316,052.82
  5. Step 5: Solve for x
    x = 7,498,316,052.82/125,306.64
  6. Step 6: Final answer
    x = 59,839.73

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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.