Home / 75,958.66-113,961.06-53,814.88

Finding the Fourth Proportional to 75,958.66, 113,961.06 and 53,814.88

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Solution

The fourth proportional to 75,958.66, 113,961.06 and 53,814.88 is: 80,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.66 : 113,961.06 = 53,814.88 : x
  2. Step 2: Convert to fraction form
    75,958.66/113,961.06 = 53,814.88/x
  3. Step 3: Cross multiply
    75,958.66x = 113,961.06 × 53,814.88
  4. Step 4: Simplify right side
    75,958.66x = 6,132,800,768.57
  5. Step 5: Solve for x
    x = 6,132,800,768.57/75,958.66
  6. Step 6: Final answer
    x = 80,738.66

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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.