Home / 45,299.74-67,976.33-17,243.40

Finding the Fourth Proportional to 45,299.74, 67,976.33 and 17,243.40

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Solution

The fourth proportional to 45,299.74, 67,976.33 and 17,243.40 is: 25,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.74 : 67,976.33 = 17,243.40 : x
  2. Step 2: Convert to fraction form
    45,299.74/67,976.33 = 17,243.40/x
  3. Step 3: Cross multiply
    45,299.74x = 67,976.33 × 17,243.40
  4. Step 4: Simplify right side
    45,299.74x = 1,172,143,048.72
  5. Step 5: Solve for x
    x = 1,172,143,048.72/45,299.74
  6. Step 6: Final answer
    x = 25,875.27

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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.