Home / 125,319.72-187,972.29-36,571.26

Finding the Fourth Proportional to 125,319.72, 187,972.29 and 36,571.26

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Solution

The fourth proportional to 125,319.72, 187,972.29 and 36,571.26 is: 54,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,319.72 : 187,972.29 = 36,571.26 : x
  2. Step 2: Convert to fraction form
    125,319.72/187,972.29 = 36,571.26/x
  3. Step 3: Cross multiply
    125,319.72x = 187,972.29 × 36,571.26
  4. Step 4: Simplify right side
    125,319.72x = 6,874,383,490.39
  5. Step 5: Solve for x
    x = 6,874,383,490.39/125,319.72
  6. Step 6: Final answer
    x = 54,854.76

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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.