Home / 81,910.34-122,865.56-22,746.02

Finding the Fourth Proportional to 81,910.34, 122,865.56 and 22,746.02

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Solution

The fourth proportional to 81,910.34, 122,865.56 and 22,746.02 is: 34,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,910.34 : 122,865.56 = 22,746.02 : x
  2. Step 2: Convert to fraction form
    81,910.34/122,865.56 = 22,746.02/x
  3. Step 3: Cross multiply
    81,910.34x = 122,865.56 × 22,746.02
  4. Step 4: Simplify right side
    81,910.34x = 2,794,701,842.31
  5. Step 5: Solve for x
    x = 2,794,701,842.31/81,910.34
  6. Step 6: Final answer
    x = 34,119.04

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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.