Home / 81,520.26-122,277.51-22,354.98

Finding the Fourth Proportional to 81,520.26, 122,277.51 and 22,354.98

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Solution

The fourth proportional to 81,520.26, 122,277.51 and 22,354.98 is: 33,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520.26 : 122,277.51 = 22,354.98 : x
  2. Step 2: Convert to fraction form
    81,520.26/122,277.51 = 22,354.98/x
  3. Step 3: Cross multiply
    81,520.26x = 122,277.51 × 22,354.98
  4. Step 4: Simplify right side
    81,520.26x = 2,733,511,290.50
  5. Step 5: Solve for x
    x = 2,733,511,290.50/81,520.26
  6. Step 6: Final answer
    x = 33,531.68

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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.