Home / 87,413.40-131,022.90-47,998.80

Finding the Fourth Proportional to 87,413.40, 131,022.90 and 47,998.80

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Solution

The fourth proportional to 87,413.40, 131,022.90 and 47,998.80 is: 71,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413.40 : 131,022.90 = 47,998.80 : x
  2. Step 2: Convert to fraction form
    87,413.40/131,022.90 = 47,998.80/x
  3. Step 3: Cross multiply
    87,413.40x = 131,022.90 × 47,998.80
  4. Step 4: Simplify right side
    87,413.40x = 6,288,941,972.52
  5. Step 5: Solve for x
    x = 6,288,941,972.52/87,413.40
  6. Step 6: Final answer
    x = 71,944.83

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1.5x scale

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.