Home / 81,729.06-122,584.41-22,573.14

Finding the Fourth Proportional to 81,729.06, 122,584.41 and 22,573.14

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Solution

The fourth proportional to 81,729.06, 122,584.41 and 22,573.14 is: 33,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,729.06 : 122,584.41 = 22,573.14 : x
  2. Step 2: Convert to fraction form
    81,729.06/122,584.41 = 22,573.14/x
  3. Step 3: Cross multiply
    81,729.06x = 122,584.41 × 22,573.14
  4. Step 4: Simplify right side
    81,729.06x = 2,767,115,048.75
  5. Step 5: Solve for x
    x = 2,767,115,048.75/81,729.06
  6. Step 6: Final answer
    x = 33,857.17

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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.