Home / 64,067.58-96,121.94-30,790.06

Finding the Fourth Proportional to 64,067.58, 96,121.94 and 30,790.06

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Solution

The fourth proportional to 64,067.58, 96,121.94 and 30,790.06 is: 46,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.58 : 96,121.94 = 30,790.06 : x
  2. Step 2: Convert to fraction form
    64,067.58/96,121.94 = 30,790.06/x
  3. Step 3: Cross multiply
    64,067.58x = 96,121.94 × 30,790.06
  4. Step 4: Simplify right side
    64,067.58x = 2,959,599,905.66
  5. Step 5: Solve for x
    x = 2,959,599,905.66/64,067.58
  6. Step 6: Final answer
    x = 46,194.97

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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.