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Finding the Fourth Proportional to 66,693.93, 100,040.44 and 33,413.49

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Solution

The fourth proportional to 66,693.93, 100,040.44 and 33,413.49 is: 50,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.93 : 100,040.44 = 33,413.49 : x
  2. Step 2: Convert to fraction form
    66,693.93/100,040.44 = 33,413.49/x
  3. Step 3: Cross multiply
    66,693.93x = 100,040.44 × 33,413.49
  4. Step 4: Simplify right side
    66,693.93x = 3,342,700,033.26
  5. Step 5: Solve for x
    x = 3,342,700,033.26/66,693.93
  6. Step 6: Final answer
    x = 50,120.00

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1.5x scale

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.