Home / 90,701.40-125,162.57-50,413.78

Finding the Fourth Proportional to 90,701.40, 125,162.57 and 50,413.78

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Solution

The fourth proportional to 90,701.40, 125,162.57 and 50,413.78 is: 69,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.40 : 125,162.57 = 50,413.78 : x
  2. Step 2: Convert to fraction form
    90,701.40/125,162.57 = 50,413.78/x
  3. Step 3: Cross multiply
    90,701.40x = 125,162.57 × 50,413.78
  4. Step 4: Simplify right side
    90,701.40x = 6,309,918,268.21
  5. Step 5: Solve for x
    x = 6,309,918,268.21/90,701.40
  6. Step 6: Final answer
    x = 69,568.04

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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.