Home / 68,288.58-102,429.24-26,188.86

Finding the Fourth Proportional to 68,288.58, 102,429.24 and 26,188.86

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Solution

The fourth proportional to 68,288.58, 102,429.24 and 26,188.86 is: 39,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.58 : 102,429.24 = 26,188.86 : x
  2. Step 2: Convert to fraction form
    68,288.58/102,429.24 = 26,188.86/x
  3. Step 3: Cross multiply
    68,288.58x = 102,429.24 × 26,188.86
  4. Step 4: Simplify right side
    68,288.58x = 2,682,505,026.27
  5. Step 5: Solve for x
    x = 2,682,505,026.27/68,288.58
  6. Step 6: Final answer
    x = 39,281.90

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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.