Home / 63,540.21-95,160.03-55,174.76

Finding the Fourth Proportional to 63,540.21, 95,160.03 and 55,174.76

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Solution

The fourth proportional to 63,540.21, 95,160.03 and 55,174.76 is: 82,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,540.21 : 95,160.03 = 55,174.76 : x
  2. Step 2: Convert to fraction form
    63,540.21/95,160.03 = 55,174.76/x
  3. Step 3: Cross multiply
    63,540.21x = 95,160.03 × 55,174.76
  4. Step 4: Simplify right side
    63,540.21x = 5,250,431,490.99
  5. Step 5: Solve for x
    x = 5,250,431,490.99/63,540.21
  6. Step 6: Final answer
    x = 82,631.64

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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.