Home / 95,448.20-143,135.82-31,391.44

Finding the Fourth Proportional to 95,448.20, 143,135.82 and 31,391.44

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Solution

The fourth proportional to 95,448.20, 143,135.82 and 31,391.44 is: 47,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,448.20 : 143,135.82 = 31,391.44 : x
  2. Step 2: Convert to fraction form
    95,448.20/143,135.82 = 31,391.44/x
  3. Step 3: Cross multiply
    95,448.20x = 143,135.82 × 31,391.44
  4. Step 4: Simplify right side
    95,448.20x = 4,493,239,505.38
  5. Step 5: Solve for x
    x = 4,493,239,505.38/95,448.20
  6. Step 6: Final answer
    x = 47,075.16

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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.