Home / 81,004.44-111,785.06-45,198.38

Finding the Fourth Proportional to 81,004.44, 111,785.06 and 45,198.38

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Solution

The fourth proportional to 81,004.44, 111,785.06 and 45,198.38 is: 62,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,004.44 : 111,785.06 = 45,198.38 : x
  2. Step 2: Convert to fraction form
    81,004.44/111,785.06 = 45,198.38/x
  3. Step 3: Cross multiply
    81,004.44x = 111,785.06 × 45,198.38
  4. Step 4: Simplify right side
    81,004.44x = 5,052,503,620.20
  5. Step 5: Solve for x
    x = 5,052,503,620.20/81,004.44
  6. Step 6: Final answer
    x = 62,373.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.