Home / 76,072.38-114,149.61-36,082.14

Finding the Fourth Proportional to 76,072.38, 114,149.61 and 36,082.14

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Solution

The fourth proportional to 76,072.38, 114,149.61 and 36,082.14 is: 54,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,072.38 : 114,149.61 = 36,082.14 : x
  2. Step 2: Convert to fraction form
    76,072.38/114,149.61 = 36,082.14/x
  3. Step 3: Cross multiply
    76,072.38x = 114,149.61 × 36,082.14
  4. Step 4: Simplify right side
    76,072.38x = 4,118,762,208.97
  5. Step 5: Solve for x
    x = 4,118,762,208.97/76,072.38
  6. Step 6: Final answer
    x = 54,142.68

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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.