Home / 67,642.62-101,500.38-28,226.82

Finding the Fourth Proportional to 67,642.62, 101,500.38 and 28,226.82

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Solution

The fourth proportional to 67,642.62, 101,500.38 and 28,226.82 is: 42,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.62 : 101,500.38 = 28,226.82 : x
  2. Step 2: Convert to fraction form
    67,642.62/101,500.38 = 28,226.82/x
  3. Step 3: Cross multiply
    67,642.62x = 101,500.38 × 28,226.82
  4. Step 4: Simplify right side
    67,642.62x = 2,865,032,956.19
  5. Step 5: Solve for x
    x = 2,865,032,956.19/67,642.62
  6. Step 6: Final answer
    x = 42,355.44

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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.