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Finding the Fourth Proportional to 79,469.88, 119,202.36 and 32,687.52

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Solution

The fourth proportional to 79,469.88, 119,202.36 and 32,687.52 is: 49,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,469.88 : 119,202.36 = 32,687.52 : x
  2. Step 2: Convert to fraction form
    79,469.88/119,202.36 = 32,687.52/x
  3. Step 3: Cross multiply
    79,469.88x = 119,202.36 × 32,687.52
  4. Step 4: Simplify right side
    79,469.88x = 3,896,429,526.55
  5. Step 5: Solve for x
    x = 3,896,429,526.55/79,469.88
  6. Step 6: Final answer
    x = 49,030.27

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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.