Home / 87,652.59-120,964.13-49,413.57

Finding the Fourth Proportional to 87,652.59, 120,964.13 and 49,413.57

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Solution

The fourth proportional to 87,652.59, 120,964.13 and 49,413.57 is: 68,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652.59 : 120,964.13 = 49,413.57 : x
  2. Step 2: Convert to fraction form
    87,652.59/120,964.13 = 49,413.57/x
  3. Step 3: Cross multiply
    87,652.59x = 120,964.13 × 49,413.57
  4. Step 4: Simplify right side
    87,652.59x = 5,977,269,258.18
  5. Step 5: Solve for x
    x = 5,977,269,258.18/87,652.59
  6. Step 6: Final answer
    x = 68,192.73

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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.