Home / 66,413.34-91,647.72-36,198.02

Finding the Fourth Proportional to 66,413.34, 91,647.72 and 36,198.02

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Solution

The fourth proportional to 66,413.34, 91,647.72 and 36,198.02 is: 49,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,413.34 : 91,647.72 = 36,198.02 : x
  2. Step 2: Convert to fraction form
    66,413.34/91,647.72 = 36,198.02/x
  3. Step 3: Cross multiply
    66,413.34x = 91,647.72 × 36,198.02
  4. Step 4: Simplify right side
    66,413.34x = 3,317,465,543.28
  5. Step 5: Solve for x
    x = 3,317,465,543.28/66,413.34
  6. Step 6: Final answer
    x = 49,951.79

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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.