Home / 54,791.48-82,187.76-19,706.60

Finding the Fourth Proportional to 54,791.48, 82,187.76 and 19,706.60

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Solution

The fourth proportional to 54,791.48, 82,187.76 and 19,706.60 is: 29,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,791.48 : 82,187.76 = 19,706.60 : x
  2. Step 2: Convert to fraction form
    54,791.48/82,187.76 = 19,706.60/x
  3. Step 3: Cross multiply
    54,791.48x = 82,187.76 × 19,706.60
  4. Step 4: Simplify right side
    54,791.48x = 1,619,641,311.22
  5. Step 5: Solve for x
    x = 1,619,641,311.22/54,791.48
  6. Step 6: Final answer
    x = 29,560.09

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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.