Home / 75,172.25-103,736.39-41,181.41

Finding the Fourth Proportional to 75,172.25, 103,736.39 and 41,181.41

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Solution

The fourth proportional to 75,172.25, 103,736.39 and 41,181.41 is: 56,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172.25 : 103,736.39 = 41,181.41 : x
  2. Step 2: Convert to fraction form
    75,172.25/103,736.39 = 41,181.41/x
  3. Step 3: Cross multiply
    75,172.25x = 103,736.39 × 41,181.41
  4. Step 4: Simplify right side
    75,172.25x = 4,272,010,861.94
  5. Step 5: Solve for x
    x = 4,272,010,861.94/75,172.25
  6. Step 6: Final answer
    x = 56,829.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.