Home / 81,704.32-122,442.24-44,183.36

Finding the Fourth Proportional to 81,704.32, 122,442.24 and 44,183.36

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Solution

The fourth proportional to 81,704.32, 122,442.24 and 44,183.36 is: 66,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,704.32 : 122,442.24 = 44,183.36 : x
  2. Step 2: Convert to fraction form
    81,704.32/122,442.24 = 44,183.36/x
  3. Step 3: Cross multiply
    81,704.32x = 122,442.24 × 44,183.36
  4. Step 4: Simplify right side
    81,704.32x = 5,409,909,569.13
  5. Step 5: Solve for x
    x = 5,409,909,569.13/81,704.32
  6. Step 6: Final answer
    x = 66,213.26

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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.