Home / 79,494.12-119,239.97-20,329.29

Finding the Fourth Proportional to 79,494.12, 119,239.97 and 20,329.29

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Solution

The fourth proportional to 79,494.12, 119,239.97 and 20,329.29 is: 30,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.12 : 119,239.97 = 20,329.29 : x
  2. Step 2: Convert to fraction form
    79,494.12/119,239.97 = 20,329.29/x
  3. Step 3: Cross multiply
    79,494.12x = 119,239.97 × 20,329.29
  4. Step 4: Simplify right side
    79,494.12x = 2,424,063,828.07
  5. Step 5: Solve for x
    x = 2,424,063,828.07/79,494.12
  6. Step 6: Final answer
    x = 30,493.62

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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.