Home / 68,520.53-94,559.65-38,308.04

Finding the Fourth Proportional to 68,520.53, 94,559.65 and 38,308.04

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Solution

The fourth proportional to 68,520.53, 94,559.65 and 38,308.04 is: 52,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.53 : 94,559.65 = 38,308.04 : x
  2. Step 2: Convert to fraction form
    68,520.53/94,559.65 = 38,308.04/x
  3. Step 3: Cross multiply
    68,520.53x = 94,559.65 × 38,308.04
  4. Step 4: Simplify right side
    68,520.53x = 3,622,394,856.10
  5. Step 5: Solve for x
    x = 3,622,394,856.10/68,520.53
  6. Step 6: Final answer
    x = 52,865.83

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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.