Home / 113,112.66-169,640.96-38,231.15

Finding the Fourth Proportional to 113,112.66, 169,640.96 and 38,231.15

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Solution

The fourth proportional to 113,112.66, 169,640.96 and 38,231.15 is: 57,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,112.66 : 169,640.96 = 38,231.15 : x
  2. Step 2: Convert to fraction form
    113,112.66/169,640.96 = 38,231.15/x
  3. Step 3: Cross multiply
    113,112.66x = 169,640.96 × 38,231.15
  4. Step 4: Simplify right side
    113,112.66x = 6,485,567,948.54
  5. Step 5: Solve for x
    x = 6,485,567,948.54/113,112.66
  6. Step 6: Final answer
    x = 57,337.24

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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.