Home / 78,514.94-117,821.64-41,104.96

Finding the Fourth Proportional to 78,514.94, 117,821.64 and 41,104.96

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Solution

The fourth proportional to 78,514.94, 117,821.64 and 41,104.96 is: 61,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,514.94 : 117,821.64 = 41,104.96 : x
  2. Step 2: Convert to fraction form
    78,514.94/117,821.64 = 41,104.96/x
  3. Step 3: Cross multiply
    78,514.94x = 117,821.64 × 41,104.96
  4. Step 4: Simplify right side
    78,514.94x = 4,843,053,799.33
  5. Step 5: Solve for x
    x = 4,843,053,799.33/78,514.94
  6. Step 6: Final answer
    x = 61,683.21

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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.