Home / 81,244.96-121,867.26-22,089.22

Finding the Fourth Proportional to 81,244.96, 121,867.26 and 22,089.22

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Solution

The fourth proportional to 81,244.96, 121,867.26 and 22,089.22 is: 33,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.96 : 121,867.26 = 22,089.22 : x
  2. Step 2: Convert to fraction form
    81,244.96/121,867.26 = 22,089.22/x
  3. Step 3: Cross multiply
    81,244.96x = 121,867.26 × 22,089.22
  4. Step 4: Simplify right side
    81,244.96x = 2,691,952,716.94
  5. Step 5: Solve for x
    x = 2,691,952,716.94/81,244.96
  6. Step 6: Final answer
    x = 33,133.78

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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.