Home / 124,936.40-187,469.40-54,822.80

Finding the Fourth Proportional to 124,936.40, 187,469.40 and 54,822.80

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Solution

The fourth proportional to 124,936.40, 187,469.40 and 54,822.80 is: 82,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.40 : 187,469.40 = 54,822.80 : x
  2. Step 2: Convert to fraction form
    124,936.40/187,469.40 = 54,822.80/x
  3. Step 3: Cross multiply
    124,936.40x = 187,469.40 × 54,822.80
  4. Step 4: Simplify right side
    124,936.40x = 10,277,597,422.32
  5. Step 5: Solve for x
    x = 10,277,597,422.32/124,936.40
  6. Step 6: Final answer
    x = 82,262.63

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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.