Home / 54,789.48-82,184.76-19,704.60

Finding the Fourth Proportional to 54,789.48, 82,184.76 and 19,704.60

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Solution

The fourth proportional to 54,789.48, 82,184.76 and 19,704.60 is: 29,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.48 : 82,184.76 = 19,704.60 : x
  2. Step 2: Convert to fraction form
    54,789.48/82,184.76 = 19,704.60/x
  3. Step 3: Cross multiply
    54,789.48x = 82,184.76 × 19,704.60
  4. Step 4: Simplify right side
    54,789.48x = 1,619,417,821.90
  5. Step 5: Solve for x
    x = 1,619,417,821.90/54,789.48
  6. Step 6: Final answer
    x = 29,557.09

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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.