Home / 67,406.18-101,171.43-34,149.60

Finding the Fourth Proportional to 67,406.18, 101,171.43 and 34,149.60

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Solution

The fourth proportional to 67,406.18, 101,171.43 and 34,149.60 is: 51,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,406.18 : 101,171.43 = 34,149.60 : x
  2. Step 2: Convert to fraction form
    67,406.18/101,171.43 = 34,149.60/x
  3. Step 3: Cross multiply
    67,406.18x = 101,171.43 × 34,149.60
  4. Step 4: Simplify right side
    67,406.18x = 3,454,963,865.93
  5. Step 5: Solve for x
    x = 3,454,963,865.93/67,406.18
  6. Step 6: Final answer
    x = 51,255.90

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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.