Home / 45,301.74-67,979.34-17,245.41

Finding the Fourth Proportional to 45,301.74, 67,979.34 and 17,245.41

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Solution

The fourth proportional to 45,301.74, 67,979.34 and 17,245.41 is: 25,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.74 : 67,979.34 = 17,245.41 : x
  2. Step 2: Convert to fraction form
    45,301.74/67,979.34 = 17,245.41/x
  3. Step 3: Cross multiply
    45,301.74x = 67,979.34 × 17,245.41
  4. Step 4: Simplify right side
    45,301.74x = 1,172,331,589.83
  5. Step 5: Solve for x
    x = 1,172,331,589.83/45,301.74
  6. Step 6: Final answer
    x = 25,878.29

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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.