Home / 97,690.20-146,520.90-27,576.60

Finding the Fourth Proportional to 97,690.20, 146,520.90 and 27,576.60

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Solution

The fourth proportional to 97,690.20, 146,520.90 and 27,576.60 is: 41,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,690.20 : 146,520.90 = 27,576.60 : x
  2. Step 2: Convert to fraction form
    97,690.20/146,520.90 = 27,576.60/x
  3. Step 3: Cross multiply
    97,690.20x = 146,520.90 × 27,576.60
  4. Step 4: Simplify right side
    97,690.20x = 4,040,548,250.94
  5. Step 5: Solve for x
    x = 4,040,548,250.94/97,690.20
  6. Step 6: Final answer
    x = 41,360.84

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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.