Home / 113,138.97-169,450.07-54,016.35

Finding the Fourth Proportional to 113,138.97, 169,450.07 and 54,016.35

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Solution

The fourth proportional to 113,138.97, 169,450.07 and 54,016.35 is: 80,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.97 : 169,450.07 = 54,016.35 : x
  2. Step 2: Convert to fraction form
    113,138.97/169,450.07 = 54,016.35/x
  3. Step 3: Cross multiply
    113,138.97x = 169,450.07 × 54,016.35
  4. Step 4: Simplify right side
    113,138.97x = 9,153,074,018.56
  5. Step 5: Solve for x
    x = 9,153,074,018.56/113,138.97
  6. Step 6: Final answer
    x = 80,901.16

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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.