Home / 113,086.62-169,511.76-38,181.06

Finding the Fourth Proportional to 113,086.62, 169,511.76 and 38,181.06

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Solution

The fourth proportional to 113,086.62, 169,511.76 and 38,181.06 is: 57,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086.62 : 169,511.76 = 38,181.06 : x
  2. Step 2: Convert to fraction form
    113,086.62/169,511.76 = 38,181.06/x
  3. Step 3: Cross multiply
    113,086.62x = 169,511.76 × 38,181.06
  4. Step 4: Simplify right side
    113,086.62x = 6,472,138,679.27
  5. Step 5: Solve for x
    x = 6,472,138,679.27/113,086.62
  6. Step 6: Final answer
    x = 57,231.69

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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.