Home / 60,431.22-90,676.53-27,174.78

Finding the Fourth Proportional to 60,431.22, 90,676.53 and 27,174.78

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Solution

The fourth proportional to 60,431.22, 90,676.53 and 27,174.78 is: 40,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.22 : 90,676.53 = 27,174.78 : x
  2. Step 2: Convert to fraction form
    60,431.22/90,676.53 = 27,174.78/x
  3. Step 3: Cross multiply
    60,431.22x = 90,676.53 × 27,174.78
  4. Step 4: Simplify right side
    60,431.22x = 2,464,114,753.91
  5. Step 5: Solve for x
    x = 2,464,114,753.91/60,431.22
  6. Step 6: Final answer
    x = 40,775.53

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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.