Home / 79,348.24-119,021.82-20,183.38

Finding the Fourth Proportional to 79,348.24, 119,021.82 and 20,183.38

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Solution

The fourth proportional to 79,348.24, 119,021.82 and 20,183.38 is: 30,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,348.24 : 119,021.82 = 20,183.38 : x
  2. Step 2: Convert to fraction form
    79,348.24/119,021.82 = 20,183.38/x
  3. Step 3: Cross multiply
    79,348.24x = 119,021.82 × 20,183.38
  4. Step 4: Simplify right side
    79,348.24x = 2,402,262,621.35
  5. Step 5: Solve for x
    x = 2,402,262,621.35/79,348.24
  6. Step 6: Final answer
    x = 30,274.93

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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.