Home / 78,850.44-108,852.66-50,198.58

Finding the Fourth Proportional to 78,850.44, 108,852.66 and 50,198.58

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Solution

The fourth proportional to 78,850.44, 108,852.66 and 50,198.58 is: 69,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,850.44 : 108,852.66 = 50,198.58 : x
  2. Step 2: Convert to fraction form
    78,850.44/108,852.66 = 50,198.58/x
  3. Step 3: Cross multiply
    78,850.44x = 108,852.66 × 50,198.58
  4. Step 4: Simplify right side
    78,850.44x = 5,464,248,961.22
  5. Step 5: Solve for x
    x = 5,464,248,961.22/78,850.44
  6. Step 6: Final answer
    x = 69,298.90

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1.5x scale

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.