Home / 50,529.62-75,816.31-27,128.72

Finding the Fourth Proportional to 50,529.62, 75,816.31 and 27,128.72

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Solution

The fourth proportional to 50,529.62, 75,816.31 and 27,128.72 is: 40,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,529.62 : 75,816.31 = 27,128.72 : x
  2. Step 2: Convert to fraction form
    50,529.62/75,816.31 = 27,128.72/x
  3. Step 3: Cross multiply
    50,529.62x = 75,816.31 × 27,128.72
  4. Step 4: Simplify right side
    50,529.62x = 2,056,799,445.42
  5. Step 5: Solve for x
    x = 2,056,799,445.42/50,529.62
  6. Step 6: Final answer
    x = 40,704.83

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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.