Home / 81,910.46-122,865.60-22,746.10

Finding the Fourth Proportional to 81,910.46, 122,865.60 and 22,746.10

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Solution

The fourth proportional to 81,910.46, 122,865.60 and 22,746.10 is: 34,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,910.46 : 122,865.60 = 22,746.10 : x
  2. Step 2: Convert to fraction form
    81,910.46/122,865.60 = 22,746.10/x
  3. Step 3: Cross multiply
    81,910.46x = 122,865.60 × 22,746.10
  4. Step 4: Simplify right side
    81,910.46x = 2,794,713,224.16
  5. Step 5: Solve for x
    x = 2,794,713,224.16/81,910.46
  6. Step 6: Final answer
    x = 34,119.13

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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.