Home / 81,738.03-122,606.87-22,573.53

Finding the Fourth Proportional to 81,738.03, 122,606.87 and 22,573.53

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Solution

The fourth proportional to 81,738.03, 122,606.87 and 22,573.53 is: 33,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738.03 : 122,606.87 = 22,573.53 : x
  2. Step 2: Convert to fraction form
    81,738.03/122,606.87 = 22,573.53/x
  3. Step 3: Cross multiply
    81,738.03x = 122,606.87 × 22,573.53
  4. Step 4: Simplify right side
    81,738.03x = 2,767,669,745.28
  5. Step 5: Solve for x
    x = 2,767,669,745.28/81,738.03
  6. Step 6: Final answer
    x = 33,860.25

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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.