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Finding the Fourth Proportional to 79,667.10, 119,473.11 and 35,324.91

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Solution

The fourth proportional to 79,667.10, 119,473.11 and 35,324.91 is: 52,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667.10 : 119,473.11 = 35,324.91 : x
  2. Step 2: Convert to fraction form
    79,667.10/119,473.11 = 35,324.91/x
  3. Step 3: Cross multiply
    79,667.10x = 119,473.11 × 35,324.91
  4. Step 4: Simplify right side
    79,667.10x = 4,220,376,858.17
  5. Step 5: Solve for x
    x = 4,220,376,858.17/79,667.10
  6. Step 6: Final answer
    x = 52,975.15

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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.