Home / 47,926.26-66,145.16-28,799.73

Finding the Fourth Proportional to 47,926.26, 66,145.16 and 28,799.73

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Solution

The fourth proportional to 47,926.26, 66,145.16 and 28,799.73 is: 39,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.26 : 66,145.16 = 28,799.73 : x
  2. Step 2: Convert to fraction form
    47,926.26/66,145.16 = 28,799.73/x
  3. Step 3: Cross multiply
    47,926.26x = 66,145.16 × 28,799.73
  4. Step 4: Simplify right side
    47,926.26x = 1,904,962,604.81
  5. Step 5: Solve for x
    x = 1,904,962,604.81/47,926.26
  6. Step 6: Final answer
    x = 39,747.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.