Home / 64,081.43-96,067.61-39,138.97

Finding the Fourth Proportional to 64,081.43, 96,067.61 and 39,138.97

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Solution

The fourth proportional to 64,081.43, 96,067.61 and 39,138.97 is: 58,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.43 : 96,067.61 = 39,138.97 : x
  2. Step 2: Convert to fraction form
    64,081.43/96,067.61 = 39,138.97/x
  3. Step 3: Cross multiply
    64,081.43x = 96,067.61 × 39,138.97
  4. Step 4: Simplify right side
    64,081.43x = 3,759,987,305.76
  5. Step 5: Solve for x
    x = 3,759,987,305.76/64,081.43
  6. Step 6: Final answer
    x = 58,675.15

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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.