Home / 67,530.96-101,146.68-54,350.16

Finding the Fourth Proportional to 67,530.96, 101,146.68 and 54,350.16

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Solution

The fourth proportional to 67,530.96, 101,146.68 and 54,350.16 is: 81,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,530.96 : 101,146.68 = 54,350.16 : x
  2. Step 2: Convert to fraction form
    67,530.96/101,146.68 = 54,350.16/x
  3. Step 3: Cross multiply
    67,530.96x = 101,146.68 × 54,350.16
  4. Step 4: Simplify right side
    67,530.96x = 5,497,338,241.47
  5. Step 5: Solve for x
    x = 5,497,338,241.47/67,530.96
  6. Step 6: Final answer
    x = 81,404.71

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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.