Home / 47,179.35-70,772.87-13,447.95

Finding the Fourth Proportional to 47,179.35, 70,772.87 and 13,447.95

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Solution

The fourth proportional to 47,179.35, 70,772.87 and 13,447.95 is: 20,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,179.35 : 70,772.87 = 13,447.95 : x
  2. Step 2: Convert to fraction form
    47,179.35/70,772.87 = 13,447.95/x
  3. Step 3: Cross multiply
    47,179.35x = 70,772.87 × 13,447.95
  4. Step 4: Simplify right side
    47,179.35x = 951,749,949.88
  5. Step 5: Solve for x
    x = 951,749,949.88/47,179.35
  6. Step 6: Final answer
    x = 20,173.02

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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.