Home / 87,618.80-131,413.84-24,443.20

Finding the Fourth Proportional to 87,618.80, 131,413.84 and 24,443.20

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Solution

The fourth proportional to 87,618.80, 131,413.84 and 24,443.20 is: 36,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,618.80 : 131,413.84 = 24,443.20 : x
  2. Step 2: Convert to fraction form
    87,618.80/131,413.84 = 24,443.20/x
  3. Step 3: Cross multiply
    87,618.80x = 131,413.84 × 24,443.20
  4. Step 4: Simplify right side
    87,618.80x = 3,212,174,773.89
  5. Step 5: Solve for x
    x = 3,212,174,773.89/87,618.80
  6. Step 6: Final answer
    x = 36,660.79

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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.