Home / 81,530.43-122,273.48-22,352.04

Finding the Fourth Proportional to 81,530.43, 122,273.48 and 22,352.04

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Solution

The fourth proportional to 81,530.43, 122,273.48 and 22,352.04 is: 33,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.43 : 122,273.48 = 22,352.04 : x
  2. Step 2: Convert to fraction form
    81,530.43/122,273.48 = 22,352.04/x
  3. Step 3: Cross multiply
    81,530.43x = 122,273.48 × 22,352.04
  4. Step 4: Simplify right side
    81,530.43x = 2,733,061,604.14
  5. Step 5: Solve for x
    x = 2,733,061,604.14/81,530.43
  6. Step 6: Final answer
    x = 33,521.98

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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.