Home / 106,540.45-159,769.11-39,944.23

Finding the Fourth Proportional to 106,540.45, 159,769.11 and 39,944.23

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Solution

The fourth proportional to 106,540.45, 159,769.11 and 39,944.23 is: 59,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.45 : 159,769.11 = 39,944.23 : x
  2. Step 2: Convert to fraction form
    106,540.45/159,769.11 = 39,944.23/x
  3. Step 3: Cross multiply
    106,540.45x = 159,769.11 × 39,944.23
  4. Step 4: Simplify right side
    106,540.45x = 6,381,854,076.74
  5. Step 5: Solve for x
    x = 6,381,854,076.74/106,540.45
  6. Step 6: Final answer
    x = 59,900.76

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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.