Home / 75,226.20-112,839.28-30,822.64

Finding the Fourth Proportional to 75,226.20, 112,839.28 and 30,822.64

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Solution

The fourth proportional to 75,226.20, 112,839.28 and 30,822.64 is: 46,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.20 : 112,839.28 = 30,822.64 : x
  2. Step 2: Convert to fraction form
    75,226.20/112,839.28 = 30,822.64/x
  3. Step 3: Cross multiply
    75,226.20x = 112,839.28 × 30,822.64
  4. Step 4: Simplify right side
    75,226.20x = 3,478,004,505.30
  5. Step 5: Solve for x
    x = 3,478,004,505.30/75,226.20
  6. Step 6: Final answer
    x = 46,233.95

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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.