Home / 67,839.12-101,739.20-22,855.58

Finding the Fourth Proportional to 67,839.12, 101,739.20 and 22,855.58

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Solution

The fourth proportional to 67,839.12, 101,739.20 and 22,855.58 is: 34,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,839.12 : 101,739.20 = 22,855.58 : x
  2. Step 2: Convert to fraction form
    67,839.12/101,739.20 = 22,855.58/x
  3. Step 3: Cross multiply
    67,839.12x = 101,739.20 × 22,855.58
  4. Step 4: Simplify right side
    67,839.12x = 2,325,308,424.74
  5. Step 5: Solve for x
    x = 2,325,308,424.74/67,839.12
  6. Step 6: Final answer
    x = 34,276.81

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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.