Home / 82,919.25-124,398.32-27,515.25

Finding the Fourth Proportional to 82,919.25, 124,398.32 and 27,515.25

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Solution

The fourth proportional to 82,919.25, 124,398.32 and 27,515.25 is: 41,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.25 : 124,398.32 = 27,515.25 : x
  2. Step 2: Convert to fraction form
    82,919.25/124,398.32 = 27,515.25/x
  3. Step 3: Cross multiply
    82,919.25x = 124,398.32 × 27,515.25
  4. Step 4: Simplify right side
    82,919.25x = 3,422,850,736.80
  5. Step 5: Solve for x
    x = 3,422,850,736.80/82,919.25
  6. Step 6: Final answer
    x = 41,279.33

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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.