Home / 67,613.88-101,452.41-30,170.04

Finding the Fourth Proportional to 67,613.88, 101,452.41 and 30,170.04

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Solution

The fourth proportional to 67,613.88, 101,452.41 and 30,170.04 is: 45,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,613.88 : 101,452.41 = 30,170.04 : x
  2. Step 2: Convert to fraction form
    67,613.88/101,452.41 = 30,170.04/x
  3. Step 3: Cross multiply
    67,613.88x = 101,452.41 × 30,170.04
  4. Step 4: Simplify right side
    67,613.88x = 3,060,823,267.80
  5. Step 5: Solve for x
    x = 3,060,823,267.80/67,613.88
  6. Step 6: Final answer
    x = 45,269.16

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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.