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Finding the Fourth Proportional to 79,649.82, 119,349.59 and 37,519.97

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Solution

The fourth proportional to 79,649.82, 119,349.59 and 37,519.97 is: 56,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.82 : 119,349.59 = 37,519.97 : x
  2. Step 2: Convert to fraction form
    79,649.82/119,349.59 = 37,519.97/x
  3. Step 3: Cross multiply
    79,649.82x = 119,349.59 × 37,519.97
  4. Step 4: Simplify right side
    79,649.82x = 4,477,992,251.96
  5. Step 5: Solve for x
    x = 4,477,992,251.96/79,649.82
  6. Step 6: Final answer
    x = 56,221.00

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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.