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Finding the Fourth Proportional to 79,476.75, 119,215.40 and 24,072.75

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Solution

The fourth proportional to 79,476.75, 119,215.40 and 24,072.75 is: 36,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476.75 : 119,215.40 = 24,072.75 : x
  2. Step 2: Convert to fraction form
    79,476.75/119,215.40 = 24,072.75/x
  3. Step 3: Cross multiply
    79,476.75x = 119,215.40 × 24,072.75
  4. Step 4: Simplify right side
    79,476.75x = 2,869,842,399.99
  5. Step 5: Solve for x
    x = 2,869,842,399.99/79,476.75
  6. Step 6: Final answer
    x = 36,109.21

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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.