Home / 81,943.44-122,817.96-35,097.36

Finding the Fourth Proportional to 81,943.44, 122,817.96 and 35,097.36

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Solution

The fourth proportional to 81,943.44, 122,817.96 and 35,097.36 is: 52,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,943.44 : 122,817.96 = 35,097.36 : x
  2. Step 2: Convert to fraction form
    81,943.44/122,817.96 = 35,097.36/x
  3. Step 3: Cross multiply
    81,943.44x = 122,817.96 × 35,097.36
  4. Step 4: Simplify right side
    81,943.44x = 4,310,586,156.59
  5. Step 5: Solve for x
    x = 4,310,586,156.59/81,943.44
  6. Step 6: Final answer
    x = 52,604.41

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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.