Home / 49,413.77-68,163.17-31,258.88

Finding the Fourth Proportional to 49,413.77, 68,163.17 and 31,258.88

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Solution

The fourth proportional to 49,413.77, 68,163.17 and 31,258.88 is: 43,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,413.77 : 68,163.17 = 31,258.88 : x
  2. Step 2: Convert to fraction form
    49,413.77/68,163.17 = 31,258.88/x
  3. Step 3: Cross multiply
    49,413.77x = 68,163.17 × 31,258.88
  4. Step 4: Simplify right side
    49,413.77x = 2,130,704,088.78
  5. Step 5: Solve for x
    x = 2,130,704,088.78/49,413.77
  6. Step 6: Final answer
    x = 43,119.64

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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.