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Finding the Fourth Proportional to 67,676.98, 101,552.19 and 28,237.54

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Solution

The fourth proportional to 67,676.98, 101,552.19 and 28,237.54 is: 42,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,676.98 : 101,552.19 = 28,237.54 : x
  2. Step 2: Convert to fraction form
    67,676.98/101,552.19 = 28,237.54/x
  3. Step 3: Cross multiply
    67,676.98x = 101,552.19 × 28,237.54
  4. Step 4: Simplify right side
    67,676.98x = 2,867,584,027.21
  5. Step 5: Solve for x
    x = 2,867,584,027.21/67,676.98
  6. Step 6: Final answer
    x = 42,371.63

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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.