Home / 47,101.44-70,627.28-20,793.76

Finding the Fourth Proportional to 47,101.44, 70,627.28 and 20,793.76

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Solution

The fourth proportional to 47,101.44, 70,627.28 and 20,793.76 is: 31,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,101.44 : 70,627.28 = 20,793.76 : x
  2. Step 2: Convert to fraction form
    47,101.44/70,627.28 = 20,793.76/x
  3. Step 3: Cross multiply
    47,101.44x = 70,627.28 × 20,793.76
  4. Step 4: Simplify right side
    47,101.44x = 1,468,606,709.77
  5. Step 5: Solve for x
    x = 1,468,606,709.77/47,101.44
  6. Step 6: Final answer
    x = 31,179.66

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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.