Home / 50,467.16-75,709.62-20,868.42

Finding the Fourth Proportional to 50,467.16, 75,709.62 and 20,868.42

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Solution

The fourth proportional to 50,467.16, 75,709.62 and 20,868.42 is: 31,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,467.16 : 75,709.62 = 20,868.42 : x
  2. Step 2: Convert to fraction form
    50,467.16/75,709.62 = 20,868.42/x
  3. Step 3: Cross multiply
    50,467.16x = 75,709.62 × 20,868.42
  4. Step 4: Simplify right side
    50,467.16x = 1,579,940,148.20
  5. Step 5: Solve for x
    x = 1,579,940,148.20/50,467.16
  6. Step 6: Final answer
    x = 31,306.30

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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.