Home / 76,206.43-114,383.42-36,791.20

Finding the Fourth Proportional to 76,206.43, 114,383.42 and 36,791.20

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Solution

The fourth proportional to 76,206.43, 114,383.42 and 36,791.20 is: 55,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.43 : 114,383.42 = 36,791.20 : x
  2. Step 2: Convert to fraction form
    76,206.43/114,383.42 = 36,791.20/x
  3. Step 3: Cross multiply
    76,206.43x = 114,383.42 × 36,791.20
  4. Step 4: Simplify right side
    76,206.43x = 4,208,303,281.90
  5. Step 5: Solve for x
    x = 4,208,303,281.90/76,206.43
  6. Step 6: Final answer
    x = 55,222.42

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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.