Home / 67,015.82-100,523.77-42,073.39

Finding the Fourth Proportional to 67,015.82, 100,523.77 and 42,073.39

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Solution

The fourth proportional to 67,015.82, 100,523.77 and 42,073.39 is: 63,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.82 : 100,523.77 = 42,073.39 : x
  2. Step 2: Convert to fraction form
    67,015.82/100,523.77 = 42,073.39/x
  3. Step 3: Cross multiply
    67,015.82x = 100,523.77 × 42,073.39
  4. Step 4: Simplify right side
    67,015.82x = 4,229,375,884.66
  5. Step 5: Solve for x
    x = 4,229,375,884.66/67,015.82
  6. Step 6: Final answer
    x = 63,110.11

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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.