Home / 54,760.77-82,155.78-17,321.58

Finding the Fourth Proportional to 54,760.77, 82,155.78 and 17,321.58

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Solution

The fourth proportional to 54,760.77, 82,155.78 and 17,321.58 is: 25,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.77 : 82,155.78 = 17,321.58 : x
  2. Step 2: Convert to fraction form
    54,760.77/82,155.78 = 17,321.58/x
  3. Step 3: Cross multiply
    54,760.77x = 82,155.78 × 17,321.58
  4. Step 4: Simplify right side
    54,760.77x = 1,423,067,915.73
  5. Step 5: Solve for x
    x = 1,423,067,915.73/54,760.77
  6. Step 6: Final answer
    x = 25,987.00

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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.