Home / 68,372.07-102,524.32-20,975.82

Finding the Fourth Proportional to 68,372.07, 102,524.32 and 20,975.82

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Solution

The fourth proportional to 68,372.07, 102,524.32 and 20,975.82 is: 31,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.07 : 102,524.32 = 20,975.82 : x
  2. Step 2: Convert to fraction form
    68,372.07/102,524.32 = 20,975.82/x
  3. Step 3: Cross multiply
    68,372.07x = 102,524.32 × 20,975.82
  4. Step 4: Simplify right side
    68,372.07x = 2,150,531,681.94
  5. Step 5: Solve for x
    x = 2,150,531,681.94/68,372.07
  6. Step 6: Final answer
    x = 31,453.37

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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.