Home / 81,833.49-122,736.60-22,675.14

Finding the Fourth Proportional to 81,833.49, 122,736.60 and 22,675.14

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Solution

The fourth proportional to 81,833.49, 122,736.60 and 22,675.14 is: 34,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,833.49 : 122,736.60 = 22,675.14 : x
  2. Step 2: Convert to fraction form
    81,833.49/122,736.60 = 22,675.14/x
  3. Step 3: Cross multiply
    81,833.49x = 122,736.60 × 22,675.14
  4. Step 4: Simplify right side
    81,833.49x = 2,783,069,588.12
  5. Step 5: Solve for x
    x = 2,783,069,588.12/81,833.49
  6. Step 6: Final answer
    x = 34,008.93

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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.