Home / 81,180.24-111,956.22-50,968.41

Finding the Fourth Proportional to 81,180.24, 111,956.22 and 50,968.41

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Solution

The fourth proportional to 81,180.24, 111,956.22 and 50,968.41 is: 70,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.24 : 111,956.22 = 50,968.41 : x
  2. Step 2: Convert to fraction form
    81,180.24/111,956.22 = 50,968.41/x
  3. Step 3: Cross multiply
    81,180.24x = 111,956.22 × 50,968.41
  4. Step 4: Simplify right side
    81,180.24x = 5,706,230,523.01
  5. Step 5: Solve for x
    x = 5,706,230,523.01/81,180.24
  6. Step 6: Final answer
    x = 70,290.88

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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.