Home / 211,732.72-317,591.52-53,959.84

Finding the Fourth Proportional to 211,732.72, 317,591.52 and 53,959.84

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Solution

The fourth proportional to 211,732.72, 317,591.52 and 53,959.84 is: 80,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,732.72 : 317,591.52 = 53,959.84 : x
  2. Step 2: Convert to fraction form
    211,732.72/317,591.52 = 53,959.84/x
  3. Step 3: Cross multiply
    211,732.72x = 317,591.52 × 53,959.84
  4. Step 4: Simplify right side
    211,732.72x = 17,137,187,604.56
  5. Step 5: Solve for x
    x = 17,137,187,604.56/211,732.72
  6. Step 6: Final answer
    x = 80,937.83

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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.