Home / 69,540.31-104,353.30-27,413.22

Finding the Fourth Proportional to 69,540.31, 104,353.30 and 27,413.22

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Solution

The fourth proportional to 69,540.31, 104,353.30 and 27,413.22 is: 41,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.31 : 104,353.30 = 27,413.22 : x
  2. Step 2: Convert to fraction form
    69,540.31/104,353.30 = 27,413.22/x
  3. Step 3: Cross multiply
    69,540.31x = 104,353.30 × 27,413.22
  4. Step 4: Simplify right side
    69,540.31x = 2,860,660,242.02
  5. Step 5: Solve for x
    x = 2,860,660,242.02/69,540.31
  6. Step 6: Final answer
    x = 41,136.72

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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.