Home / 84,919.18-117,183.46-49,106.64

Finding the Fourth Proportional to 84,919.18, 117,183.46 and 49,106.64

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Solution

The fourth proportional to 84,919.18, 117,183.46 and 49,106.64 is: 67,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.18 : 117,183.46 = 49,106.64 : x
  2. Step 2: Convert to fraction form
    84,919.18/117,183.46 = 49,106.64/x
  3. Step 3: Cross multiply
    84,919.18x = 117,183.46 × 49,106.64
  4. Step 4: Simplify right side
    84,919.18x = 5,754,485,984.17
  5. Step 5: Solve for x
    x = 5,754,485,984.17/84,919.18
  6. Step 6: Final answer
    x = 67,764.27

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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.