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Finding the Fourth Proportional to 80,183.68, 110,655.28 and 51,938.52

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Solution

The fourth proportional to 80,183.68, 110,655.28 and 51,938.52 is: 71,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,183.68 : 110,655.28 = 51,938.52 : x
  2. Step 2: Convert to fraction form
    80,183.68/110,655.28 = 51,938.52/x
  3. Step 3: Cross multiply
    80,183.68x = 110,655.28 × 51,938.52
  4. Step 4: Simplify right side
    80,183.68x = 5,747,271,473.39
  5. Step 5: Solve for x
    x = 5,747,271,473.39/80,183.68
  6. Step 6: Final answer
    x = 71,676.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.