Home / 81,972.92-122,905.38-32,058.56

Finding the Fourth Proportional to 81,972.92, 122,905.38 and 32,058.56

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Solution

The fourth proportional to 81,972.92, 122,905.38 and 32,058.56 is: 48,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,972.92 : 122,905.38 = 32,058.56 : x
  2. Step 2: Convert to fraction form
    81,972.92/122,905.38 = 32,058.56/x
  3. Step 3: Cross multiply
    81,972.92x = 122,905.38 × 32,058.56
  4. Step 4: Simplify right side
    81,972.92x = 3,940,169,499.05
  5. Step 5: Solve for x
    x = 3,940,169,499.05/81,972.92
  6. Step 6: Final answer
    x = 48,066.72

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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.