Home / 81,956.34-122,934.65-22,792.05

Finding the Fourth Proportional to 81,956.34, 122,934.65 and 22,792.05

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Solution

The fourth proportional to 81,956.34, 122,934.65 and 22,792.05 is: 34,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,956.34 : 122,934.65 = 22,792.05 : x
  2. Step 2: Convert to fraction form
    81,956.34/122,934.65 = 22,792.05/x
  3. Step 3: Cross multiply
    81,956.34x = 122,934.65 × 22,792.05
  4. Step 4: Simplify right side
    81,956.34x = 2,801,932,575.57
  5. Step 5: Solve for x
    x = 2,801,932,575.57/81,956.34
  6. Step 6: Final answer
    x = 34,188.11

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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.