Home / 80,172.03-110,621.70-44,355.36

Finding the Fourth Proportional to 80,172.03, 110,621.70 and 44,355.36

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Solution

The fourth proportional to 80,172.03, 110,621.70 and 44,355.36 is: 61,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.03 : 110,621.70 = 44,355.36 : x
  2. Step 2: Convert to fraction form
    80,172.03/110,621.70 = 44,355.36/x
  3. Step 3: Cross multiply
    80,172.03x = 110,621.70 × 44,355.36
  4. Step 4: Simplify right side
    80,172.03x = 4,906,665,327.31
  5. Step 5: Solve for x
    x = 4,906,665,327.31/80,172.03
  6. Step 6: Final answer
    x = 61,201.71

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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.