Home / 55,283.14-76,292.77-31,413.85

Finding the Fourth Proportional to 55,283.14, 76,292.77 and 31,413.85

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Solution

The fourth proportional to 55,283.14, 76,292.77 and 31,413.85 is: 43,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.14 : 76,292.77 = 31,413.85 : x
  2. Step 2: Convert to fraction form
    55,283.14/76,292.77 = 31,413.85/x
  3. Step 3: Cross multiply
    55,283.14x = 76,292.77 × 31,413.85
  4. Step 4: Simplify right side
    55,283.14x = 2,396,649,632.86
  5. Step 5: Solve for x
    x = 2,396,649,632.86/55,283.14
  6. Step 6: Final answer
    x = 43,352.27

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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.