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Finding the Fourth Proportional to 89,610.60, 134,415.90 and 27,281.10

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Solution

The fourth proportional to 89,610.60, 134,415.90 and 27,281.10 is: 40,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.60 : 134,415.90 = 27,281.10 : x
  2. Step 2: Convert to fraction form
    89,610.60/134,415.90 = 27,281.10/x
  3. Step 3: Cross multiply
    89,610.60x = 134,415.90 × 27,281.10
  4. Step 4: Simplify right side
    89,610.60x = 3,667,013,609.49
  5. Step 5: Solve for x
    x = 3,667,013,609.49/89,610.60
  6. Step 6: Final answer
    x = 40,921.65

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Similar ratio
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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.