Home / 81,004.93-111,785.74-45,198.88

Finding the Fourth Proportional to 81,004.93, 111,785.74 and 45,198.88

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Solution

The fourth proportional to 81,004.93, 111,785.74 and 45,198.88 is: 62,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,004.93 : 111,785.74 = 45,198.88 : x
  2. Step 2: Convert to fraction form
    81,004.93/111,785.74 = 45,198.88/x
  3. Step 3: Cross multiply
    81,004.93x = 111,785.74 × 45,198.88
  4. Step 4: Simplify right side
    81,004.93x = 5,052,590,247.97
  5. Step 5: Solve for x
    x = 5,052,590,247.97/81,004.93
  6. Step 6: Final answer
    x = 62,373.86

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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.