Home / 123,904.92-170,997.24-70,190.37

Finding the Fourth Proportional to 123,904.92, 170,997.24 and 70,190.37

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Solution

The fourth proportional to 123,904.92, 170,997.24 and 70,190.37 is: 96,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,904.92 : 170,997.24 = 70,190.37 : x
  2. Step 2: Convert to fraction form
    123,904.92/170,997.24 = 70,190.37/x
  3. Step 3: Cross multiply
    123,904.92x = 170,997.24 × 70,190.37
  4. Step 4: Simplify right side
    123,904.92x = 12,002,359,992.61
  5. Step 5: Solve for x
    x = 12,002,359,992.61/123,904.92
  6. Step 6: Final answer
    x = 96,867.50

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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.