Home / 81,836.84-122,757.90-22,673.08

Finding the Fourth Proportional to 81,836.84, 122,757.90 and 22,673.08

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Solution

The fourth proportional to 81,836.84, 122,757.90 and 22,673.08 is: 34,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,836.84 : 122,757.90 = 22,673.08 : x
  2. Step 2: Convert to fraction form
    81,836.84/122,757.90 = 22,673.08/x
  3. Step 3: Cross multiply
    81,836.84x = 122,757.90 × 22,673.08
  4. Step 4: Simplify right side
    81,836.84x = 2,783,299,687.33
  5. Step 5: Solve for x
    x = 2,783,299,687.33/81,836.84
  6. Step 6: Final answer
    x = 34,010.35

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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.