Home / 95,395.47-131,636-55,122.21

Finding the Fourth Proportional to 95,395.47, 131,636 and 55,122.21

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Solution

The fourth proportional to 95,395.47, 131,636 and 55,122.21 is: 76,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395.47 : 131,636 = 55,122.21 : x
  2. Step 2: Convert to fraction form
    95,395.47/131,636 = 55,122.21/x
  3. Step 3: Cross multiply
    95,395.47x = 131,636 × 55,122.21
  4. Step 4: Simplify right side
    95,395.47x = 7,256,067,235.56
  5. Step 5: Solve for x
    x = 7,256,067,235.56/95,395.47
  6. Step 6: Final answer
    x = 76,063.02

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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.