Home / 83,514.22-125,109.82-51,936.91

Finding the Fourth Proportional to 83,514.22, 125,109.82 and 51,936.91

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Solution

The fourth proportional to 83,514.22, 125,109.82 and 51,936.91 is: 77,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,514.22 : 125,109.82 = 51,936.91 : x
  2. Step 2: Convert to fraction form
    83,514.22/125,109.82 = 51,936.91/x
  3. Step 3: Cross multiply
    83,514.22x = 125,109.82 × 51,936.91
  4. Step 4: Simplify right side
    83,514.22x = 6,497,817,625.20
  5. Step 5: Solve for x
    x = 6,497,817,625.20/83,514.22
  6. Step 6: Final answer
    x = 77,804.92

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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.