Home / 47,161.87-70,745.33-12,101.83

Finding the Fourth Proportional to 47,161.87, 70,745.33 and 12,101.83

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Solution

The fourth proportional to 47,161.87, 70,745.33 and 12,101.83 is: 18,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.87 : 70,745.33 = 12,101.83 : x
  2. Step 2: Convert to fraction form
    47,161.87/70,745.33 = 12,101.83/x
  3. Step 3: Cross multiply
    47,161.87x = 70,745.33 × 12,101.83
  4. Step 4: Simplify right side
    47,161.87x = 856,147,956.95
  5. Step 5: Solve for x
    x = 856,147,956.95/47,161.87
  6. Step 6: Final answer
    x = 18,153.39

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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.