Home / 67,742.17-101,613.26-28,277.75

Finding the Fourth Proportional to 67,742.17, 101,613.26 and 28,277.75

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Solution

The fourth proportional to 67,742.17, 101,613.26 and 28,277.75 is: 42,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.17 : 101,613.26 = 28,277.75 : x
  2. Step 2: Convert to fraction form
    67,742.17/101,613.26 = 28,277.75/x
  3. Step 3: Cross multiply
    67,742.17x = 101,613.26 × 28,277.75
  4. Step 4: Simplify right side
    67,742.17x = 2,873,394,687.69
  5. Step 5: Solve for x
    x = 2,873,394,687.69/67,742.17
  6. Step 6: Final answer
    x = 42,416.63

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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.