Home / 81,934.46-122,949.39-34,546.58

Finding the Fourth Proportional to 81,934.46, 122,949.39 and 34,546.58

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Solution

The fourth proportional to 81,934.46, 122,949.39 and 34,546.58 is: 51,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.46 : 122,949.39 = 34,546.58 : x
  2. Step 2: Convert to fraction form
    81,934.46/122,949.39 = 34,546.58/x
  3. Step 3: Cross multiply
    81,934.46x = 122,949.39 × 34,546.58
  4. Step 4: Simplify right side
    81,934.46x = 4,247,480,937.59
  5. Step 5: Solve for x
    x = 4,247,480,937.59/81,934.46
  6. Step 6: Final answer
    x = 51,839.98

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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.