Home / 95,136.71-131,288.40-54,850.28

Finding the Fourth Proportional to 95,136.71, 131,288.40 and 54,850.28

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Solution

The fourth proportional to 95,136.71, 131,288.40 and 54,850.28 is: 75,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.71 : 131,288.40 = 54,850.28 : x
  2. Step 2: Convert to fraction form
    95,136.71/131,288.40 = 54,850.28/x
  3. Step 3: Cross multiply
    95,136.71x = 131,288.40 × 54,850.28
  4. Step 4: Simplify right side
    95,136.71x = 7,201,204,844.31
  5. Step 5: Solve for x
    x = 7,201,204,844.31/95,136.71
  6. Step 6: Final answer
    x = 75,693.23

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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.