Home / 74,367.46-111,550.50-18,207.82

Finding the Fourth Proportional to 74,367.46, 111,550.50 and 18,207.82

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Solution

The fourth proportional to 74,367.46, 111,550.50 and 18,207.82 is: 27,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.46 : 111,550.50 = 18,207.82 : x
  2. Step 2: Convert to fraction form
    74,367.46/111,550.50 = 18,207.82/x
  3. Step 3: Cross multiply
    74,367.46x = 111,550.50 × 18,207.82
  4. Step 4: Simplify right side
    74,367.46x = 2,031,091,424.91
  5. Step 5: Solve for x
    x = 2,031,091,424.91/74,367.46
  6. Step 6: Final answer
    x = 27,311.56

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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.