Home / 106,016.78-159,048.70-34,961.45

Finding the Fourth Proportional to 106,016.78, 159,048.70 and 34,961.45

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Solution

The fourth proportional to 106,016.78, 159,048.70 and 34,961.45 is: 52,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,016.78 : 159,048.70 = 34,961.45 : x
  2. Step 2: Convert to fraction form
    106,016.78/159,048.70 = 34,961.45/x
  3. Step 3: Cross multiply
    106,016.78x = 159,048.70 × 34,961.45
  4. Step 4: Simplify right side
    106,016.78x = 5,560,572,289.97
  5. Step 5: Solve for x
    x = 5,560,572,289.97/106,016.78
  6. Step 6: Final answer
    x = 52,449.92

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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.