Home / 79,783.41-119,685.48-29,174.55

Finding the Fourth Proportional to 79,783.41, 119,685.48 and 29,174.55

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Solution

The fourth proportional to 79,783.41, 119,685.48 and 29,174.55 is: 43,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783.41 : 119,685.48 = 29,174.55 : x
  2. Step 2: Convert to fraction form
    79,783.41/119,685.48 = 29,174.55/x
  3. Step 3: Cross multiply
    79,783.41x = 119,685.48 × 29,174.55
  4. Step 4: Simplify right side
    79,783.41x = 3,491,770,129.94
  5. Step 5: Solve for x
    x = 3,491,770,129.94/79,783.41
  6. Step 6: Final answer
    x = 43,765.62

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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.