Home / 57,413.20-86,022.60-47,498.80

Finding the Fourth Proportional to 57,413.20, 86,022.60 and 47,498.80

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Solution

The fourth proportional to 57,413.20, 86,022.60 and 47,498.80 is: 71,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.20 : 86,022.60 = 47,498.80 : x
  2. Step 2: Convert to fraction form
    57,413.20/86,022.60 = 47,498.80/x
  3. Step 3: Cross multiply
    57,413.20x = 86,022.60 × 47,498.80
  4. Step 4: Simplify right side
    57,413.20x = 4,085,970,272.88
  5. Step 5: Solve for x
    x = 4,085,970,272.88/57,413.20
  6. Step 6: Final answer
    x = 71,167.78

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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.