Home / 78,873.44-108,845.60-50,579.24

Finding the Fourth Proportional to 78,873.44, 108,845.60 and 50,579.24

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Solution

The fourth proportional to 78,873.44, 108,845.60 and 50,579.24 is: 69,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,873.44 : 108,845.60 = 50,579.24 : x
  2. Step 2: Convert to fraction form
    78,873.44/108,845.60 = 50,579.24/x
  3. Step 3: Cross multiply
    78,873.44x = 108,845.60 × 50,579.24
  4. Step 4: Simplify right side
    78,873.44x = 5,505,326,928.22
  5. Step 5: Solve for x
    x = 5,505,326,928.22/78,873.44
  6. Step 6: Final answer
    x = 69,799.51

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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.