Home / 75,481.50-104,169.91-45,266.28

Finding the Fourth Proportional to 75,481.50, 104,169.91 and 45,266.28

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Solution

The fourth proportional to 75,481.50, 104,169.91 and 45,266.28 is: 62,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.50 : 104,169.91 = 45,266.28 : x
  2. Step 2: Convert to fraction form
    75,481.50/104,169.91 = 45,266.28/x
  3. Step 3: Cross multiply
    75,481.50x = 104,169.91 × 45,266.28
  4. Step 4: Simplify right side
    75,481.50x = 4,715,384,313.63
  5. Step 5: Solve for x
    x = 4,715,384,313.63/75,481.50
  6. Step 6: Final answer
    x = 62,470.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.