Home / 48,169.73-72,204.94-20,106.12

Finding the Fourth Proportional to 48,169.73, 72,204.94 and 20,106.12

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Solution

The fourth proportional to 48,169.73, 72,204.94 and 20,106.12 is: 30,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,169.73 : 72,204.94 = 20,106.12 : x
  2. Step 2: Convert to fraction form
    48,169.73/72,204.94 = 20,106.12/x
  3. Step 3: Cross multiply
    48,169.73x = 72,204.94 × 20,106.12
  4. Step 4: Simplify right side
    48,169.73x = 1,451,760,964.88
  5. Step 5: Solve for x
    x = 1,451,760,964.88/48,169.73
  6. Step 6: Final answer
    x = 30,138.45

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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.