Home / 67,767.66-101,560.77-38,173.50

Finding the Fourth Proportional to 67,767.66, 101,560.77 and 38,173.50

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Solution

The fourth proportional to 67,767.66, 101,560.77 and 38,173.50 is: 57,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,767.66 : 101,560.77 = 38,173.50 : x
  2. Step 2: Convert to fraction form
    67,767.66/101,560.77 = 38,173.50/x
  3. Step 3: Cross multiply
    67,767.66x = 101,560.77 × 38,173.50
  4. Step 4: Simplify right side
    67,767.66x = 3,876,930,053.60
  5. Step 5: Solve for x
    x = 3,876,930,053.60/67,767.66
  6. Step 6: Final answer
    x = 57,209.15

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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.