Home / 101,181.36-151,794.60-31,067.76

Finding the Fourth Proportional to 101,181.36, 151,794.60 and 31,067.76

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Solution

The fourth proportional to 101,181.36, 151,794.60 and 31,067.76 is: 46,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,181.36 : 151,794.60 = 31,067.76 : x
  2. Step 2: Convert to fraction form
    101,181.36/151,794.60 = 31,067.76/x
  3. Step 3: Cross multiply
    101,181.36x = 151,794.60 × 31,067.76
  4. Step 4: Simplify right side
    101,181.36x = 4,715,918,202.10
  5. Step 5: Solve for x
    x = 4,715,918,202.10/101,181.36
  6. Step 6: Final answer
    x = 46,608.57

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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.