Home / 43,072.94-64,578.22-13,474.73

Finding the Fourth Proportional to 43,072.94, 64,578.22 and 13,474.73

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Solution

The fourth proportional to 43,072.94, 64,578.22 and 13,474.73 is: 20,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.94 : 64,578.22 = 13,474.73 : x
  2. Step 2: Convert to fraction form
    43,072.94/64,578.22 = 13,474.73/x
  3. Step 3: Cross multiply
    43,072.94x = 64,578.22 × 13,474.73
  4. Step 4: Simplify right side
    43,072.94x = 870,174,078.38
  5. Step 5: Solve for x
    x = 870,174,078.38/43,072.94
  6. Step 6: Final answer
    x = 20,202.34

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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.