Home / 124,708.10-187,062.15-82,717.70

Finding the Fourth Proportional to 124,708.10, 187,062.15 and 82,717.70

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Solution

The fourth proportional to 124,708.10, 187,062.15 and 82,717.70 is: 124,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,708.10 : 187,062.15 = 82,717.70 : x
  2. Step 2: Convert to fraction form
    124,708.10/187,062.15 = 82,717.70/x
  3. Step 3: Cross multiply
    124,708.10x = 187,062.15 × 82,717.70
  4. Step 4: Simplify right side
    124,708.10x = 15,473,350,805.06
  5. Step 5: Solve for x
    x = 15,473,350,805.06/124,708.10
  6. Step 6: Final answer
    x = 124,076.55

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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.