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Finding the Fourth Proportional to 81,765.56, 122,666.02 and 24,834.78

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Solution

The fourth proportional to 81,765.56, 122,666.02 and 24,834.78 is: 37,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765.56 : 122,666.02 = 24,834.78 : x
  2. Step 2: Convert to fraction form
    81,765.56/122,666.02 = 24,834.78/x
  3. Step 3: Cross multiply
    81,765.56x = 122,666.02 × 24,834.78
  4. Step 4: Simplify right side
    81,765.56x = 3,046,383,620.18
  5. Step 5: Solve for x
    x = 3,046,383,620.18/81,765.56
  6. Step 6: Final answer
    x = 37,257.54

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1.5x scale

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.