Home / 81,504.02-122,251.68-22,339.60

Finding the Fourth Proportional to 81,504.02, 122,251.68 and 22,339.60

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Solution

The fourth proportional to 81,504.02, 122,251.68 and 22,339.60 is: 33,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,504.02 : 122,251.68 = 22,339.60 : x
  2. Step 2: Convert to fraction form
    81,504.02/122,251.68 = 22,339.60/x
  3. Step 3: Cross multiply
    81,504.02x = 122,251.68 × 22,339.60
  4. Step 4: Simplify right side
    81,504.02x = 2,731,053,324.90
  5. Step 5: Solve for x
    x = 2,731,053,324.90/81,504.02
  6. Step 6: Final answer
    x = 33,508.20

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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.