Home / 81,834.48-122,750.78-22,667.94

Finding the Fourth Proportional to 81,834.48, 122,750.78 and 22,667.94

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Solution

The fourth proportional to 81,834.48, 122,750.78 and 22,667.94 is: 34,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,834.48 : 122,750.78 = 22,667.94 : x
  2. Step 2: Convert to fraction form
    81,834.48/122,750.78 = 22,667.94/x
  3. Step 3: Cross multiply
    81,834.48x = 122,750.78 × 22,667.94
  4. Step 4: Simplify right side
    81,834.48x = 2,782,507,202.65
  5. Step 5: Solve for x
    x = 2,782,507,202.65/81,834.48
  6. Step 6: Final answer
    x = 34,001.65

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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.