Home / 71,155.03-106,732.54-26,791.73

Finding the Fourth Proportional to 71,155.03, 106,732.54 and 26,791.73

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Solution

The fourth proportional to 71,155.03, 106,732.54 and 26,791.73 is: 40,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.03 : 106,732.54 = 26,791.73 : x
  2. Step 2: Convert to fraction form
    71,155.03/106,732.54 = 26,791.73/x
  3. Step 3: Cross multiply
    71,155.03x = 106,732.54 × 26,791.73
  4. Step 4: Simplify right side
    71,155.03x = 2,859,549,393.89
  5. Step 5: Solve for x
    x = 2,859,549,393.89/71,155.03
  6. Step 6: Final answer
    x = 40,187.59

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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.