Home / 92,850.30-139,222.04-49,519.78

Finding the Fourth Proportional to 92,850.30, 139,222.04 and 49,519.78

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Solution

The fourth proportional to 92,850.30, 139,222.04 and 49,519.78 is: 74,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.30 : 139,222.04 = 49,519.78 : x
  2. Step 2: Convert to fraction form
    92,850.30/139,222.04 = 49,519.78/x
  3. Step 3: Cross multiply
    92,850.30x = 139,222.04 × 49,519.78
  4. Step 4: Simplify right side
    92,850.30x = 6,894,244,791.95
  5. Step 5: Solve for x
    x = 6,894,244,791.95/92,850.30
  6. Step 6: Final answer
    x = 74,251.18

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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.