Home / 42,662.44-63,993.43-11,072.48

Finding the Fourth Proportional to 42,662.44, 63,993.43 and 11,072.48

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Solution

The fourth proportional to 42,662.44, 63,993.43 and 11,072.48 is: 16,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,662.44 : 63,993.43 = 11,072.48 : x
  2. Step 2: Convert to fraction form
    42,662.44/63,993.43 = 11,072.48/x
  3. Step 3: Cross multiply
    42,662.44x = 63,993.43 × 11,072.48
  4. Step 4: Simplify right side
    42,662.44x = 708,565,626.16
  5. Step 5: Solve for x
    x = 708,565,626.16/42,662.44
  6. Step 6: Final answer
    x = 16,608.65

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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.