Home / 67,282.12-100,939.04-37,720.36

Finding the Fourth Proportional to 67,282.12, 100,939.04 and 37,720.36

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Solution

The fourth proportional to 67,282.12, 100,939.04 and 37,720.36 is: 56,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,282.12 : 100,939.04 = 37,720.36 : x
  2. Step 2: Convert to fraction form
    67,282.12/100,939.04 = 37,720.36/x
  3. Step 3: Cross multiply
    67,282.12x = 100,939.04 × 37,720.36
  4. Step 4: Simplify right side
    67,282.12x = 3,807,456,926.85
  5. Step 5: Solve for x
    x = 3,807,456,926.85/67,282.12
  6. Step 6: Final answer
    x = 56,589.43

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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.