Home / 68,537.72-102,814.78-24,155.28

Finding the Fourth Proportional to 68,537.72, 102,814.78 and 24,155.28

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Solution

The fourth proportional to 68,537.72, 102,814.78 and 24,155.28 is: 36,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,537.72 : 102,814.78 = 24,155.28 : x
  2. Step 2: Convert to fraction form
    68,537.72/102,814.78 = 24,155.28/x
  3. Step 3: Cross multiply
    68,537.72x = 102,814.78 × 24,155.28
  4. Step 4: Simplify right side
    68,537.72x = 2,483,519,799.04
  5. Step 5: Solve for x
    x = 2,483,519,799.04/68,537.72
  6. Step 6: Final answer
    x = 36,235.81

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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.