Home / 71,814.35-99,115.82-41,618.04

Finding the Fourth Proportional to 71,814.35, 99,115.82 and 41,618.04

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Solution

The fourth proportional to 71,814.35, 99,115.82 and 41,618.04 is: 57,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,814.35 : 99,115.82 = 41,618.04 : x
  2. Step 2: Convert to fraction form
    71,814.35/99,115.82 = 41,618.04/x
  3. Step 3: Cross multiply
    71,814.35x = 99,115.82 × 41,618.04
  4. Step 4: Simplify right side
    71,814.35x = 4,125,005,953.30
  5. Step 5: Solve for x
    x = 4,125,005,953.30/71,814.35
  6. Step 6: Final answer
    x = 57,439.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.