Home / 67,194.03-100,791.05-20,446.91

Finding the Fourth Proportional to 67,194.03, 100,791.05 and 20,446.91

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Solution

The fourth proportional to 67,194.03, 100,791.05 and 20,446.91 is: 30,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.03 : 100,791.05 = 20,446.91 : x
  2. Step 2: Convert to fraction form
    67,194.03/100,791.05 = 20,446.91/x
  3. Step 3: Cross multiply
    67,194.03x = 100,791.05 × 20,446.91
  4. Step 4: Simplify right side
    67,194.03x = 2,060,865,528.16
  5. Step 5: Solve for x
    x = 2,060,865,528.16/67,194.03
  6. Step 6: Final answer
    x = 30,670.37

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1.5x scale

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.