Home / 81,714.75-122,579.18-22,550.42

Finding the Fourth Proportional to 81,714.75, 122,579.18 and 22,550.42

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Solution

The fourth proportional to 81,714.75, 122,579.18 and 22,550.42 is: 33,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,714.75 : 122,579.18 = 22,550.42 : x
  2. Step 2: Convert to fraction form
    81,714.75/122,579.18 = 22,550.42/x
  3. Step 3: Cross multiply
    81,714.75x = 122,579.18 × 22,550.42
  4. Step 4: Simplify right side
    81,714.75x = 2,764,211,266.61
  5. Step 5: Solve for x
    x = 2,764,211,266.61/81,714.75
  6. Step 6: Final answer
    x = 33,827.57

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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.