Home / 79,964.10-119,836.80-53,234.10

Finding the Fourth Proportional to 79,964.10, 119,836.80 and 53,234.10

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Solution

The fourth proportional to 79,964.10, 119,836.80 and 53,234.10 is: 79,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964.10 : 119,836.80 = 53,234.10 : x
  2. Step 2: Convert to fraction form
    79,964.10/119,836.80 = 53,234.10/x
  3. Step 3: Cross multiply
    79,964.10x = 119,836.80 × 53,234.10
  4. Step 4: Simplify right side
    79,964.10x = 6,379,404,194.88
  5. Step 5: Solve for x
    x = 6,379,404,194.88/79,964.10
  6. Step 6: Final answer
    x = 79,778.35

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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.