Home / 68,226.24-102,350.32-28,789.16

Finding the Fourth Proportional to 68,226.24, 102,350.32 and 28,789.16

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Solution

The fourth proportional to 68,226.24, 102,350.32 and 28,789.16 is: 43,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,226.24 : 102,350.32 = 28,789.16 : x
  2. Step 2: Convert to fraction form
    68,226.24/102,350.32 = 28,789.16/x
  3. Step 3: Cross multiply
    68,226.24x = 102,350.32 × 28,789.16
  4. Step 4: Simplify right side
    68,226.24x = 2,946,579,738.53
  5. Step 5: Solve for x
    x = 2,946,579,738.53/68,226.24
  6. Step 6: Final answer
    x = 43,188.36

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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.