Home / 123,961.76-171,067.25-67,373.14

Finding the Fourth Proportional to 123,961.76, 171,067.25 and 67,373.14

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Solution

The fourth proportional to 123,961.76, 171,067.25 and 67,373.14 is: 92,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,961.76 : 171,067.25 = 67,373.14 : x
  2. Step 2: Convert to fraction form
    123,961.76/171,067.25 = 67,373.14/x
  3. Step 3: Cross multiply
    123,961.76x = 171,067.25 × 67,373.14
  4. Step 4: Simplify right side
    123,961.76x = 11,525,337,783.67
  5. Step 5: Solve for x
    x = 11,525,337,783.67/123,961.76
  6. Step 6: Final answer
    x = 92,974.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.