Home / 83,078.25-124,682.46-57,954.87

Finding the Fourth Proportional to 83,078.25, 124,682.46 and 57,954.87

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Solution

The fourth proportional to 83,078.25, 124,682.46 and 57,954.87 is: 86,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,078.25 : 124,682.46 = 57,954.87 : x
  2. Step 2: Convert to fraction form
    83,078.25/124,682.46 = 57,954.87/x
  3. Step 3: Cross multiply
    83,078.25x = 124,682.46 × 57,954.87
  4. Step 4: Simplify right side
    83,078.25x = 7,225,955,760.58
  5. Step 5: Solve for x
    x = 7,225,955,760.58/83,078.25
  6. Step 6: Final answer
    x = 86,977.71

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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.