Home / 84,067.55-116,021.39-62,809.91

Finding the Fourth Proportional to 84,067.55, 116,021.39 and 62,809.91

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Solution

The fourth proportional to 84,067.55, 116,021.39 and 62,809.91 is: 86,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067.55 : 116,021.39 = 62,809.91 : x
  2. Step 2: Convert to fraction form
    84,067.55/116,021.39 = 62,809.91/x
  3. Step 3: Cross multiply
    84,067.55x = 116,021.39 × 62,809.91
  4. Step 4: Simplify right side
    84,067.55x = 7,287,292,169.82
  5. Step 5: Solve for x
    x = 7,287,292,169.82/84,067.55
  6. Step 6: Final answer
    x = 86,683.78

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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.