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Finding the Fourth Proportional to 79,760.52, 119,667.87 and 50,143.68

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Solution

The fourth proportional to 79,760.52, 119,667.87 and 50,143.68 is: 75,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760.52 : 119,667.87 = 50,143.68 : x
  2. Step 2: Convert to fraction form
    79,760.52/119,667.87 = 50,143.68/x
  3. Step 3: Cross multiply
    79,760.52x = 119,667.87 × 50,143.68
  4. Step 4: Simplify right side
    79,760.52x = 6,000,587,379.56
  5. Step 5: Solve for x
    x = 6,000,587,379.56/79,760.52
  6. Step 6: Final answer
    x = 75,232.55

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1.5x scale

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.