Home / 55,116.44-82,665.81-15,126.09

Finding the Fourth Proportional to 55,116.44, 82,665.81 and 15,126.09

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Solution

The fourth proportional to 55,116.44, 82,665.81 and 15,126.09 is: 22,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.44 : 82,665.81 = 15,126.09 : x
  2. Step 2: Convert to fraction form
    55,116.44/82,665.81 = 15,126.09/x
  3. Step 3: Cross multiply
    55,116.44x = 82,665.81 × 15,126.09
  4. Step 4: Simplify right side
    55,116.44x = 1,250,410,481.98
  5. Step 5: Solve for x
    x = 1,250,410,481.98/55,116.44
  6. Step 6: Final answer
    x = 22,686.71

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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.