Home / 74,515.68-111,791.28-21,926.88

Finding the Fourth Proportional to 74,515.68, 111,791.28 and 21,926.88

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Solution

The fourth proportional to 74,515.68, 111,791.28 and 21,926.88 is: 32,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.68 : 111,791.28 = 21,926.88 : x
  2. Step 2: Convert to fraction form
    74,515.68/111,791.28 = 21,926.88/x
  3. Step 3: Cross multiply
    74,515.68x = 111,791.28 × 21,926.88
  4. Step 4: Simplify right side
    74,515.68x = 2,451,233,981.61
  5. Step 5: Solve for x
    x = 2,451,233,981.61/74,515.68
  6. Step 6: Final answer
    x = 32,895.55

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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.