Home / 67,177.36-100,777.52-27,712.90

Finding the Fourth Proportional to 67,177.36, 100,777.52 and 27,712.90

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Solution

The fourth proportional to 67,177.36, 100,777.52 and 27,712.90 is: 41,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.36 : 100,777.52 = 27,712.90 : x
  2. Step 2: Convert to fraction form
    67,177.36/100,777.52 = 27,712.90/x
  3. Step 3: Cross multiply
    67,177.36x = 100,777.52 × 27,712.90
  4. Step 4: Simplify right side
    67,177.36x = 2,792,837,334.01
  5. Step 5: Solve for x
    x = 2,792,837,334.01/67,177.36
  6. Step 6: Final answer
    x = 41,574.09

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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.