Home / 69,796.13-96,318.70-39,571.79

Finding the Fourth Proportional to 69,796.13, 96,318.70 and 39,571.79

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Solution

The fourth proportional to 69,796.13, 96,318.70 and 39,571.79 is: 54,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.13 : 96,318.70 = 39,571.79 : x
  2. Step 2: Convert to fraction form
    69,796.13/96,318.70 = 39,571.79/x
  3. Step 3: Cross multiply
    69,796.13x = 96,318.70 × 39,571.79
  4. Step 4: Simplify right side
    69,796.13x = 3,811,502,788.95
  5. Step 5: Solve for x
    x = 3,811,502,788.95/69,796.13
  6. Step 6: Final answer
    x = 54,609.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.