Home / 67,729.68-101,604.04-28,277.84

Finding the Fourth Proportional to 67,729.68, 101,604.04 and 28,277.84

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Solution

The fourth proportional to 67,729.68, 101,604.04 and 28,277.84 is: 42,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.68 : 101,604.04 = 28,277.84 : x
  2. Step 2: Convert to fraction form
    67,729.68/101,604.04 = 28,277.84/x
  3. Step 3: Cross multiply
    67,729.68x = 101,604.04 × 28,277.84
  4. Step 4: Simplify right side
    67,729.68x = 2,873,142,786.47
  5. Step 5: Solve for x
    x = 2,873,142,786.47/67,729.68
  6. Step 6: Final answer
    x = 42,420.73

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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.