Home / 47,678.14-71,529-33,665.61

Finding the Fourth Proportional to 47,678.14, 71,529 and 33,665.61

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Solution

The fourth proportional to 47,678.14, 71,529 and 33,665.61 is: 50,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.14 : 71,529 = 33,665.61 : x
  2. Step 2: Convert to fraction form
    47,678.14/71,529 = 33,665.61/x
  3. Step 3: Cross multiply
    47,678.14x = 71,529 × 33,665.61
  4. Step 4: Simplify right side
    47,678.14x = 2,408,067,417.69
  5. Step 5: Solve for x
    x = 2,408,067,417.69/47,678.14
  6. Step 6: Final answer
    x = 50,506.74

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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.