Home / 48,742.70-73,102.79-15,456.56

Finding the Fourth Proportional to 48,742.70, 73,102.79 and 15,456.56

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Solution

The fourth proportional to 48,742.70, 73,102.79 and 15,456.56 is: 23,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.70 : 73,102.79 = 15,456.56 : x
  2. Step 2: Convert to fraction form
    48,742.70/73,102.79 = 15,456.56/x
  3. Step 3: Cross multiply
    48,742.70x = 73,102.79 × 15,456.56
  4. Step 4: Simplify right side
    48,742.70x = 1,129,917,217.01
  5. Step 5: Solve for x
    x = 1,129,917,217.01/48,742.70
  6. Step 6: Final answer
    x = 23,181.26

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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.