Home / 81,950.13-122,834.98-32,020.92

Finding the Fourth Proportional to 81,950.13, 122,834.98 and 32,020.92

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Solution

The fourth proportional to 81,950.13, 122,834.98 and 32,020.92 is: 47,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950.13 : 122,834.98 = 32,020.92 : x
  2. Step 2: Convert to fraction form
    81,950.13/122,834.98 = 32,020.92/x
  3. Step 3: Cross multiply
    81,950.13x = 122,834.98 × 32,020.92
  4. Step 4: Simplify right side
    81,950.13x = 3,933,289,107.81
  5. Step 5: Solve for x
    x = 3,933,289,107.81/81,950.13
  6. Step 6: Final answer
    x = 47,996.13

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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.