Home / 81,591.10-122,383.57-22,425.24

Finding the Fourth Proportional to 81,591.10, 122,383.57 and 22,425.24

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Solution

The fourth proportional to 81,591.10, 122,383.57 and 22,425.24 is: 33,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,591.10 : 122,383.57 = 22,425.24 : x
  2. Step 2: Convert to fraction form
    81,591.10/122,383.57 = 22,425.24/x
  3. Step 3: Cross multiply
    81,591.10x = 122,383.57 × 22,425.24
  4. Step 4: Simplify right side
    81,591.10x = 2,744,480,929.31
  5. Step 5: Solve for x
    x = 2,744,480,929.31/81,591.10
  6. Step 6: Final answer
    x = 33,637.01

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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.