Home / 47,183.22-70,775.37-12,121.92

Finding the Fourth Proportional to 47,183.22, 70,775.37 and 12,121.92

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Solution

The fourth proportional to 47,183.22, 70,775.37 and 12,121.92 is: 18,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,183.22 : 70,775.37 = 12,121.92 : x
  2. Step 2: Convert to fraction form
    47,183.22/70,775.37 = 12,121.92/x
  3. Step 3: Cross multiply
    47,183.22x = 70,775.37 × 12,121.92
  4. Step 4: Simplify right side
    47,183.22x = 857,933,373.11
  5. Step 5: Solve for x
    x = 857,933,373.11/47,183.22
  6. Step 6: Final answer
    x = 18,183.02

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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.