Home / 78,067.72-107,705.46-44,514.28

Finding the Fourth Proportional to 78,067.72, 107,705.46 and 44,514.28

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Solution

The fourth proportional to 78,067.72, 107,705.46 and 44,514.28 is: 61,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067.72 : 107,705.46 = 44,514.28 : x
  2. Step 2: Convert to fraction form
    78,067.72/107,705.46 = 44,514.28/x
  3. Step 3: Cross multiply
    78,067.72x = 107,705.46 × 44,514.28
  4. Step 4: Simplify right side
    78,067.72x = 4,794,431,003.97
  5. Step 5: Solve for x
    x = 4,794,431,003.97/78,067.72
  6. Step 6: Final answer
    x = 61,413.74

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1.5x scale

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.