Home / 81,202.35-121,795.20-22,044

Finding the Fourth Proportional to 81,202.35, 121,795.20 and 22,044

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Solution

The fourth proportional to 81,202.35, 121,795.20 and 22,044 is: 33,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202.35 : 121,795.20 = 22,044 : x
  2. Step 2: Convert to fraction form
    81,202.35/121,795.20 = 22,044/x
  3. Step 3: Cross multiply
    81,202.35x = 121,795.20 × 22,044
  4. Step 4: Simplify right side
    81,202.35x = 2,684,853,388.80
  5. Step 5: Solve for x
    x = 2,684,853,388.80/81,202.35
  6. Step 6: Final answer
    x = 33,063.74

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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.