Home / 67,404.20-101,171.10-34,161.80

Finding the Fourth Proportional to 67,404.20, 101,171.10 and 34,161.80

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Solution

The fourth proportional to 67,404.20, 101,171.10 and 34,161.80 is: 51,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404.20 : 101,171.10 = 34,161.80 : x
  2. Step 2: Convert to fraction form
    67,404.20/101,171.10 = 34,161.80/x
  3. Step 3: Cross multiply
    67,404.20x = 101,171.10 × 34,161.80
  4. Step 4: Simplify right side
    67,404.20x = 3,456,186,883.98
  5. Step 5: Solve for x
    x = 3,456,186,883.98/67,404.20
  6. Step 6: Final answer
    x = 51,275.54

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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.