Home / 89,610.48-134,435.16-27,279.36

Finding the Fourth Proportional to 89,610.48, 134,435.16 and 27,279.36

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Solution

The fourth proportional to 89,610.48, 134,435.16 and 27,279.36 is: 40,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.48 : 134,435.16 = 27,279.36 : x
  2. Step 2: Convert to fraction form
    89,610.48/134,435.16 = 27,279.36/x
  3. Step 3: Cross multiply
    89,610.48x = 134,435.16 × 27,279.36
  4. Step 4: Simplify right side
    89,610.48x = 3,667,305,126.30
  5. Step 5: Solve for x
    x = 3,667,305,126.30/89,610.48
  6. Step 6: Final answer
    x = 40,924.96

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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.