Home / 67,246.20-100,869.30-43,626.60

Finding the Fourth Proportional to 67,246.20, 100,869.30 and 43,626.60

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Solution

The fourth proportional to 67,246.20, 100,869.30 and 43,626.60 is: 65,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.20 : 100,869.30 = 43,626.60 : x
  2. Step 2: Convert to fraction form
    67,246.20/100,869.30 = 43,626.60/x
  3. Step 3: Cross multiply
    67,246.20x = 100,869.30 × 43,626.60
  4. Step 4: Simplify right side
    67,246.20x = 4,400,584,603.38
  5. Step 5: Solve for x
    x = 4,400,584,603.38/67,246.20
  6. Step 6: Final answer
    x = 65,439.90

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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.