Home / 99,769.41-149,655.51-33,209.79

Finding the Fourth Proportional to 99,769.41, 149,655.51 and 33,209.79

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Solution

The fourth proportional to 99,769.41, 149,655.51 and 33,209.79 is: 49,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,769.41 : 149,655.51 = 33,209.79 : x
  2. Step 2: Convert to fraction form
    99,769.41/149,655.51 = 33,209.79/x
  3. Step 3: Cross multiply
    99,769.41x = 149,655.51 × 33,209.79
  4. Step 4: Simplify right side
    99,769.41x = 4,970,028,059.44
  5. Step 5: Solve for x
    x = 4,970,028,059.44/99,769.41
  6. Step 6: Final answer
    x = 49,815.15

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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.