Home / 67,592.21-101,387.20-20,207.42

Finding the Fourth Proportional to 67,592.21, 101,387.20 and 20,207.42

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Solution

The fourth proportional to 67,592.21, 101,387.20 and 20,207.42 is: 30,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,592.21 : 101,387.20 = 20,207.42 : x
  2. Step 2: Convert to fraction form
    67,592.21/101,387.20 = 20,207.42/x
  3. Step 3: Cross multiply
    67,592.21x = 101,387.20 × 20,207.42
  4. Step 4: Simplify right side
    67,592.21x = 2,048,773,301.87
  5. Step 5: Solve for x
    x = 2,048,773,301.87/67,592.21
  6. Step 6: Final answer
    x = 30,310.79

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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.