Home / 117,016.40-175,542.81-38,112.26

Finding the Fourth Proportional to 117,016.40, 175,542.81 and 38,112.26

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Solution

The fourth proportional to 117,016.40, 175,542.81 and 38,112.26 is: 57,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,016.40 : 175,542.81 = 38,112.26 : x
  2. Step 2: Convert to fraction form
    117,016.40/175,542.81 = 38,112.26/x
  3. Step 3: Cross multiply
    117,016.40x = 175,542.81 × 38,112.26
  4. Step 4: Simplify right side
    117,016.40x = 6,690,333,215.85
  5. Step 5: Solve for x
    x = 6,690,333,215.85/117,016.40
  6. Step 6: Final answer
    x = 57,174.32

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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.