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Finding the Fourth Proportional to 79,412.67, 119,092.55 and 32,015.52

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Solution

The fourth proportional to 79,412.67, 119,092.55 and 32,015.52 is: 48,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,412.67 : 119,092.55 = 32,015.52 : x
  2. Step 2: Convert to fraction form
    79,412.67/119,092.55 = 32,015.52/x
  3. Step 3: Cross multiply
    79,412.67x = 119,092.55 × 32,015.52
  4. Step 4: Simplify right side
    79,412.67x = 3,812,809,756.30
  5. Step 5: Solve for x
    x = 3,812,809,756.30/79,412.67
  6. Step 6: Final answer
    x = 48,012.61

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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.