Home / 75,814.22-113,721.78-19,650.44

Finding the Fourth Proportional to 75,814.22, 113,721.78 and 19,650.44

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Solution

The fourth proportional to 75,814.22, 113,721.78 and 19,650.44 is: 29,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,814.22 : 113,721.78 = 19,650.44 : x
  2. Step 2: Convert to fraction form
    75,814.22/113,721.78 = 19,650.44/x
  3. Step 3: Cross multiply
    75,814.22x = 113,721.78 × 19,650.44
  4. Step 4: Simplify right side
    75,814.22x = 2,234,683,014.58
  5. Step 5: Solve for x
    x = 2,234,683,014.58/75,814.22
  6. Step 6: Final answer
    x = 29,475.78

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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.