Home / 54,760.79-82,155.76-17,321.54

Finding the Fourth Proportional to 54,760.79, 82,155.76 and 17,321.54

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Solution

The fourth proportional to 54,760.79, 82,155.76 and 17,321.54 is: 25,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.79 : 82,155.76 = 17,321.54 : x
  2. Step 2: Convert to fraction form
    54,760.79/82,155.76 = 17,321.54/x
  3. Step 3: Cross multiply
    54,760.79x = 82,155.76 × 17,321.54
  4. Step 4: Simplify right side
    54,760.79x = 1,423,063,828.99
  5. Step 5: Solve for x
    x = 1,423,063,828.99/54,760.79
  6. Step 6: Final answer
    x = 25,986.91

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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.