Home / 89,610.50-134,435.19-27,279.38

Finding the Fourth Proportional to 89,610.50, 134,435.19 and 27,279.38

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Solution

The fourth proportional to 89,610.50, 134,435.19 and 27,279.38 is: 40,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.50 : 134,435.19 = 27,279.38 : x
  2. Step 2: Convert to fraction form
    89,610.50/134,435.19 = 27,279.38/x
  3. Step 3: Cross multiply
    89,610.50x = 134,435.19 × 27,279.38
  4. Step 4: Simplify right side
    89,610.50x = 3,667,307,961.21
  5. Step 5: Solve for x
    x = 3,667,307,961.21/89,610.50
  6. Step 6: Final answer
    x = 40,924.98

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1.5x scale

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.