Home / 87,823.60-131,346.60-73,826.80

Finding the Fourth Proportional to 87,823.60, 131,346.60 and 73,826.80

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Solution

The fourth proportional to 87,823.60, 131,346.60 and 73,826.80 is: 110,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.60 : 131,346.60 = 73,826.80 : x
  2. Step 2: Convert to fraction form
    87,823.60/131,346.60 = 73,826.80/x
  3. Step 3: Cross multiply
    87,823.60x = 131,346.60 × 73,826.80
  4. Step 4: Simplify right side
    87,823.60x = 9,696,899,168.88
  5. Step 5: Solve for x
    x = 9,696,899,168.88/87,823.60
  6. Step 6: Final answer
    x = 110,413.36

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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.