Home / 80,866.30-121,317.90-24,714.39

Finding the Fourth Proportional to 80,866.30, 121,317.90 and 24,714.39

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Solution

The fourth proportional to 80,866.30, 121,317.90 and 24,714.39 is: 37,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.30 : 121,317.90 = 24,714.39 : x
  2. Step 2: Convert to fraction form
    80,866.30/121,317.90 = 24,714.39/x
  3. Step 3: Cross multiply
    80,866.30x = 121,317.90 × 24,714.39
  4. Step 4: Simplify right side
    80,866.30x = 2,998,297,757.68
  5. Step 5: Solve for x
    x = 2,998,297,757.68/80,866.30
  6. Step 6: Final answer
    x = 37,077.22

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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.