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Finding the Fourth Proportional to 79,390.80, 119,097.12 and 29,466.66

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Solution

The fourth proportional to 79,390.80, 119,097.12 and 29,466.66 is: 44,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.80 : 119,097.12 = 29,466.66 : x
  2. Step 2: Convert to fraction form
    79,390.80/119,097.12 = 29,466.66/x
  3. Step 3: Cross multiply
    79,390.80x = 119,097.12 × 29,466.66
  4. Step 4: Simplify right side
    79,390.80x = 3,509,394,342.02
  5. Step 5: Solve for x
    x = 3,509,394,342.02/79,390.80
  6. Step 6: Final answer
    x = 44,204.04

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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.