Home / 75,497.22-113,256.77-28,108.44

Finding the Fourth Proportional to 75,497.22, 113,256.77 and 28,108.44

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Solution

The fourth proportional to 75,497.22, 113,256.77 and 28,108.44 is: 42,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,497.22 : 113,256.77 = 28,108.44 : x
  2. Step 2: Convert to fraction form
    75,497.22/113,256.77 = 28,108.44/x
  3. Step 3: Cross multiply
    75,497.22x = 113,256.77 × 28,108.44
  4. Step 4: Simplify right side
    75,497.22x = 3,183,470,983.60
  5. Step 5: Solve for x
    x = 3,183,470,983.60/75,497.22
  6. Step 6: Final answer
    x = 42,166.73

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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.