Home / 83,882.31-115,760.78-48,079.23

Finding the Fourth Proportional to 83,882.31, 115,760.78 and 48,079.23

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Solution

The fourth proportional to 83,882.31, 115,760.78 and 48,079.23 is: 66,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.31 : 115,760.78 = 48,079.23 : x
  2. Step 2: Convert to fraction form
    83,882.31/115,760.78 = 48,079.23/x
  3. Step 3: Cross multiply
    83,882.31x = 115,760.78 × 48,079.23
  4. Step 4: Simplify right side
    83,882.31x = 5,565,689,166.60
  5. Step 5: Solve for x
    x = 5,565,689,166.60/83,882.31
  6. Step 6: Final answer
    x = 66,351.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.