Home / 106,016.72-158,921.40-43,731.92

Finding the Fourth Proportional to 106,016.72, 158,921.40 and 43,731.92

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Solution

The fourth proportional to 106,016.72, 158,921.40 and 43,731.92 is: 65,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,016.72 : 158,921.40 = 43,731.92 : x
  2. Step 2: Convert to fraction form
    106,016.72/158,921.40 = 43,731.92/x
  3. Step 3: Cross multiply
    106,016.72x = 158,921.40 × 43,731.92
  4. Step 4: Simplify right side
    106,016.72x = 6,949,937,951.09
  5. Step 5: Solve for x
    x = 6,949,937,951.09/106,016.72
  6. Step 6: Final answer
    x = 65,555.11

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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.