Home / 80,015.28-110,413.62-51,284.22

Finding the Fourth Proportional to 80,015.28, 110,413.62 and 51,284.22

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Solution

The fourth proportional to 80,015.28, 110,413.62 and 51,284.22 is: 70,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,015.28 : 110,413.62 = 51,284.22 : x
  2. Step 2: Convert to fraction form
    80,015.28/110,413.62 = 51,284.22/x
  3. Step 3: Cross multiply
    80,015.28x = 110,413.62 × 51,284.22
  4. Step 4: Simplify right side
    80,015.28x = 5,662,476,379.08
  5. Step 5: Solve for x
    x = 5,662,476,379.08/80,015.28
  6. Step 6: Final answer
    x = 70,767.44

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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.