Home / 68,786.01-94,921.27-40,489.88

Finding the Fourth Proportional to 68,786.01, 94,921.27 and 40,489.88

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Solution

The fourth proportional to 68,786.01, 94,921.27 and 40,489.88 is: 55,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.01 : 94,921.27 = 40,489.88 : x
  2. Step 2: Convert to fraction form
    68,786.01/94,921.27 = 40,489.88/x
  3. Step 3: Cross multiply
    68,786.01x = 94,921.27 × 40,489.88
  4. Step 4: Simplify right side
    68,786.01x = 3,843,350,255.92
  5. Step 5: Solve for x
    x = 3,843,350,255.92/68,786.01
  6. Step 6: Final answer
    x = 55,874.01

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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.