Home / 103,305.96-154,953.45-33,179.79

Finding the Fourth Proportional to 103,305.96, 154,953.45 and 33,179.79

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Solution

The fourth proportional to 103,305.96, 154,953.45 and 33,179.79 is: 49,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,305.96 : 154,953.45 = 33,179.79 : x
  2. Step 2: Convert to fraction form
    103,305.96/154,953.45 = 33,179.79/x
  3. Step 3: Cross multiply
    103,305.96x = 154,953.45 × 33,179.79
  4. Step 4: Simplify right side
    103,305.96x = 5,141,322,930.78
  5. Step 5: Solve for x
    x = 5,141,322,930.78/103,305.96
  6. Step 6: Final answer
    x = 49,767.92

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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.