Home / 85,202.25-117,579.59-49,413.52

Finding the Fourth Proportional to 85,202.25, 117,579.59 and 49,413.52

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Solution

The fourth proportional to 85,202.25, 117,579.59 and 49,413.52 is: 68,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202.25 : 117,579.59 = 49,413.52 : x
  2. Step 2: Convert to fraction form
    85,202.25/117,579.59 = 49,413.52/x
  3. Step 3: Cross multiply
    85,202.25x = 117,579.59 × 49,413.52
  4. Step 4: Simplify right side
    85,202.25x = 5,810,021,422.06
  5. Step 5: Solve for x
    x = 5,810,021,422.06/85,202.25
  6. Step 6: Final answer
    x = 68,190.94

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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.