Home / 82,839.78-124,279.14-23,673.91

Finding the Fourth Proportional to 82,839.78, 124,279.14 and 23,673.91

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Solution

The fourth proportional to 82,839.78, 124,279.14 and 23,673.91 is: 35,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,839.78 : 124,279.14 = 23,673.91 : x
  2. Step 2: Convert to fraction form
    82,839.78/124,279.14 = 23,673.91/x
  3. Step 3: Cross multiply
    82,839.78x = 124,279.14 × 23,673.91
  4. Step 4: Simplify right side
    82,839.78x = 2,942,173,175.24
  5. Step 5: Solve for x
    x = 2,942,173,175.24/82,839.78
  6. Step 6: Final answer
    x = 35,516.43

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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.