Home / 48,245.73-72,371.43-18,663.72

Finding the Fourth Proportional to 48,245.73, 72,371.43 and 18,663.72

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Solution

The fourth proportional to 48,245.73, 72,371.43 and 18,663.72 is: 27,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.73 : 72,371.43 = 18,663.72 : x
  2. Step 2: Convert to fraction form
    48,245.73/72,371.43 = 18,663.72/x
  3. Step 3: Cross multiply
    48,245.73x = 72,371.43 × 18,663.72
  4. Step 4: Simplify right side
    48,245.73x = 1,350,720,105.52
  5. Step 5: Solve for x
    x = 1,350,720,105.52/48,245.73
  6. Step 6: Final answer
    x = 27,996.68

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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.