Home / 67,184.35-100,791.10-20,436.01

Finding the Fourth Proportional to 67,184.35, 100,791.10 and 20,436.01

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Solution

The fourth proportional to 67,184.35, 100,791.10 and 20,436.01 is: 30,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,184.35 : 100,791.10 = 20,436.01 : x
  2. Step 2: Convert to fraction form
    67,184.35/100,791.10 = 20,436.01/x
  3. Step 3: Cross multiply
    67,184.35x = 100,791.10 × 20,436.01
  4. Step 4: Simplify right side
    67,184.35x = 2,059,767,346.92
  5. Step 5: Solve for x
    x = 2,059,767,346.92/67,184.35
  6. Step 6: Final answer
    x = 30,658.44

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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.