Home / 81,748.75-122,625.42-22,584.41

Finding the Fourth Proportional to 81,748.75, 122,625.42 and 22,584.41

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Solution

The fourth proportional to 81,748.75, 122,625.42 and 22,584.41 is: 33,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,748.75 : 122,625.42 = 22,584.41 : x
  2. Step 2: Convert to fraction form
    81,748.75/122,625.42 = 22,584.41/x
  3. Step 3: Cross multiply
    81,748.75x = 122,625.42 × 22,584.41
  4. Step 4: Simplify right side
    81,748.75x = 2,769,422,983.57
  5. Step 5: Solve for x
    x = 2,769,422,983.57/81,748.75
  6. Step 6: Final answer
    x = 33,877.25

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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.