Home / 85,354.20-117,769.95-49,523.46

Finding the Fourth Proportional to 85,354.20, 117,769.95 and 49,523.46

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Solution

The fourth proportional to 85,354.20, 117,769.95 and 49,523.46 is: 68,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354.20 : 117,769.95 = 49,523.46 : x
  2. Step 2: Convert to fraction form
    85,354.20/117,769.95 = 49,523.46/x
  3. Step 3: Cross multiply
    85,354.20x = 117,769.95 × 49,523.46
  4. Step 4: Simplify right side
    85,354.20x = 5,832,375,408.03
  5. Step 5: Solve for x
    x = 5,832,375,408.03/85,354.20
  6. Step 6: Final answer
    x = 68,331.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.