Home / 81,193.62-121,776.06-22,033.90

Finding the Fourth Proportional to 81,193.62, 121,776.06 and 22,033.90

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Solution

The fourth proportional to 81,193.62, 121,776.06 and 22,033.90 is: 33,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,193.62 : 121,776.06 = 22,033.90 : x
  2. Step 2: Convert to fraction form
    81,193.62/121,776.06 = 22,033.90/x
  3. Step 3: Cross multiply
    81,193.62x = 121,776.06 × 22,033.90
  4. Step 4: Simplify right side
    81,193.62x = 2,683,200,919.55
  5. Step 5: Solve for x
    x = 2,683,200,919.55/81,193.62
  6. Step 6: Final answer
    x = 33,046.94

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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.