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Finding the Fourth Proportional to 89,351.44, 134,028.20 and 22,791.44

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Solution

The fourth proportional to 89,351.44, 134,028.20 and 22,791.44 is: 34,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,351.44 : 134,028.20 = 22,791.44 : x
  2. Step 2: Convert to fraction form
    89,351.44/134,028.20 = 22,791.44/x
  3. Step 3: Cross multiply
    89,351.44x = 134,028.20 × 22,791.44
  4. Step 4: Simplify right side
    89,351.44x = 3,054,695,678.61
  5. Step 5: Solve for x
    x = 3,054,695,678.61/89,351.44
  6. Step 6: Final answer
    x = 34,187.43

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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.