Home / 54,789.86-82,122.57-23,180.20

Finding the Fourth Proportional to 54,789.86, 82,122.57 and 23,180.20

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Solution

The fourth proportional to 54,789.86, 82,122.57 and 23,180.20 is: 34,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.86 : 82,122.57 = 23,180.20 : x
  2. Step 2: Convert to fraction form
    54,789.86/82,122.57 = 23,180.20/x
  3. Step 3: Cross multiply
    54,789.86x = 82,122.57 × 23,180.20
  4. Step 4: Simplify right side
    54,789.86x = 1,903,617,391.81
  5. Step 5: Solve for x
    x = 1,903,617,391.81/54,789.86
  6. Step 6: Final answer
    x = 34,743.97

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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.