Home / 68,238.27-102,414.92-28,823.67

Finding the Fourth Proportional to 68,238.27, 102,414.92 and 28,823.67

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Solution

The fourth proportional to 68,238.27, 102,414.92 and 28,823.67 is: 43,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238.27 : 102,414.92 = 28,823.67 : x
  2. Step 2: Convert to fraction form
    68,238.27/102,414.92 = 28,823.67/x
  3. Step 3: Cross multiply
    68,238.27x = 102,414.92 × 28,823.67
  4. Step 4: Simplify right side
    68,238.27x = 2,951,973,857.16
  5. Step 5: Solve for x
    x = 2,951,973,857.16/68,238.27
  6. Step 6: Final answer
    x = 43,259.80

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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.