Home / 90,701.61-125,162.82-50,413.97

Finding the Fourth Proportional to 90,701.61, 125,162.82 and 50,413.97

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Solution

The fourth proportional to 90,701.61, 125,162.82 and 50,413.97 is: 69,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.61 : 125,162.82 = 50,413.97 : x
  2. Step 2: Convert to fraction form
    90,701.61/125,162.82 = 50,413.97/x
  3. Step 3: Cross multiply
    90,701.61x = 125,162.82 × 50,413.97
  4. Step 4: Simplify right side
    90,701.61x = 6,309,954,026.78
  5. Step 5: Solve for x
    x = 6,309,954,026.78/90,701.61
  6. Step 6: Final answer
    x = 69,568.27

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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.