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Finding the Fourth Proportional to 68,453.37, 102,537 and 55,053.90

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Solution

The fourth proportional to 68,453.37, 102,537 and 55,053.90 is: 82,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453.37 : 102,537 = 55,053.90 : x
  2. Step 2: Convert to fraction form
    68,453.37/102,537 = 55,053.90/x
  3. Step 3: Cross multiply
    68,453.37x = 102,537 × 55,053.90
  4. Step 4: Simplify right side
    68,453.37x = 5,645,061,744.30
  5. Step 5: Solve for x
    x = 5,645,061,744.30/68,453.37
  6. Step 6: Final answer
    x = 82,465.80

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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.