Home / 98,027.64-135,279.72-55,016.64

Finding the Fourth Proportional to 98,027.64, 135,279.72 and 55,016.64

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Solution

The fourth proportional to 98,027.64, 135,279.72 and 55,016.64 is: 75,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,027.64 : 135,279.72 = 55,016.64 : x
  2. Step 2: Convert to fraction form
    98,027.64/135,279.72 = 55,016.64/x
  3. Step 3: Cross multiply
    98,027.64x = 135,279.72 × 55,016.64
  4. Step 4: Simplify right side
    98,027.64x = 7,442,635,654.54
  5. Step 5: Solve for x
    x = 7,442,635,654.54/98,027.64
  6. Step 6: Final answer
    x = 75,923.85

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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.