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Finding the Fourth Proportional to 79,586.88, 119,377.12 and 26,996.48

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Solution

The fourth proportional to 79,586.88, 119,377.12 and 26,996.48 is: 40,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.88 : 119,377.12 = 26,996.48 : x
  2. Step 2: Convert to fraction form
    79,586.88/119,377.12 = 26,996.48/x
  3. Step 3: Cross multiply
    79,586.88x = 119,377.12 × 26,996.48
  4. Step 4: Simplify right side
    79,586.88x = 3,222,762,032.54
  5. Step 5: Solve for x
    x = 3,222,762,032.54/79,586.88
  6. Step 6: Final answer
    x = 40,493.63

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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.