Home / 106,546.78-159,778.63-39,950.54

Finding the Fourth Proportional to 106,546.78, 159,778.63 and 39,950.54

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Solution

The fourth proportional to 106,546.78, 159,778.63 and 39,950.54 is: 59,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,546.78 : 159,778.63 = 39,950.54 : x
  2. Step 2: Convert to fraction form
    106,546.78/159,778.63 = 39,950.54/x
  3. Step 3: Cross multiply
    106,546.78x = 159,778.63 × 39,950.54
  4. Step 4: Simplify right side
    106,546.78x = 6,383,242,548.96
  5. Step 5: Solve for x
    x = 6,383,242,548.96/106,546.78
  6. Step 6: Final answer
    x = 59,910.23

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1.5x scale

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.