Home / 81,937.14-122,908.11-32,015.22

Finding the Fourth Proportional to 81,937.14, 122,908.11 and 32,015.22

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Solution

The fourth proportional to 81,937.14, 122,908.11 and 32,015.22 is: 48,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,937.14 : 122,908.11 = 32,015.22 : x
  2. Step 2: Convert to fraction form
    81,937.14/122,908.11 = 32,015.22/x
  3. Step 3: Cross multiply
    81,937.14x = 122,908.11 × 32,015.22
  4. Step 4: Simplify right side
    81,937.14x = 3,934,930,181.43
  5. Step 5: Solve for x
    x = 3,934,930,181.43/81,937.14
  6. Step 6: Final answer
    x = 48,023.77

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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.