Home / 68,234.05-102,319.98-28,769.59

Finding the Fourth Proportional to 68,234.05, 102,319.98 and 28,769.59

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Solution

The fourth proportional to 68,234.05, 102,319.98 and 28,769.59 is: 43,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.05 : 102,319.98 = 28,769.59 : x
  2. Step 2: Convert to fraction form
    68,234.05/102,319.98 = 28,769.59/x
  3. Step 3: Cross multiply
    68,234.05x = 102,319.98 × 28,769.59
  4. Step 4: Simplify right side
    68,234.05x = 2,943,703,873.41
  5. Step 5: Solve for x
    x = 2,943,703,873.41/68,234.05
  6. Step 6: Final answer
    x = 43,141.27

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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.