Home / 57,413.57-86,129.26-29,318.42

Finding the Fourth Proportional to 57,413.57, 86,129.26 and 29,318.42

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Solution

The fourth proportional to 57,413.57, 86,129.26 and 29,318.42 is: 43,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.57 : 86,129.26 = 29,318.42 : x
  2. Step 2: Convert to fraction form
    57,413.57/86,129.26 = 29,318.42/x
  3. Step 3: Cross multiply
    57,413.57x = 86,129.26 × 29,318.42
  4. Step 4: Simplify right side
    57,413.57x = 2,525,173,961.00
  5. Step 5: Solve for x
    x = 2,525,173,961.00/57,413.57
  6. Step 6: Final answer
    x = 43,982.18

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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.