Home / 67,781.12-101,646.72-23,396.48

Finding the Fourth Proportional to 67,781.12, 101,646.72 and 23,396.48

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Solution

The fourth proportional to 67,781.12, 101,646.72 and 23,396.48 is: 35,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781.12 : 101,646.72 = 23,396.48 : x
  2. Step 2: Convert to fraction form
    67,781.12/101,646.72 = 23,396.48/x
  3. Step 3: Cross multiply
    67,781.12x = 101,646.72 × 23,396.48
  4. Step 4: Simplify right side
    67,781.12x = 2,378,175,451.55
  5. Step 5: Solve for x
    x = 2,378,175,451.55/67,781.12
  6. Step 6: Final answer
    x = 35,086.10

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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.