Home / 68,845.05-95,010.84-40,162.50

Finding the Fourth Proportional to 68,845.05, 95,010.84 and 40,162.50

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Solution

The fourth proportional to 68,845.05, 95,010.84 and 40,162.50 is: 55,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.05 : 95,010.84 = 40,162.50 : x
  2. Step 2: Convert to fraction form
    68,845.05/95,010.84 = 40,162.50/x
  3. Step 3: Cross multiply
    68,845.05x = 95,010.84 × 40,162.50
  4. Step 4: Simplify right side
    68,845.05x = 3,815,872,861.50
  5. Step 5: Solve for x
    x = 3,815,872,861.50/68,845.05
  6. Step 6: Final answer
    x = 55,426.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.