Home / 68,426.86-102,625.62-39,944.84

Finding the Fourth Proportional to 68,426.86, 102,625.62 and 39,944.84

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Solution

The fourth proportional to 68,426.86, 102,625.62 and 39,944.84 is: 59,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426.86 : 102,625.62 = 39,944.84 : x
  2. Step 2: Convert to fraction form
    68,426.86/102,625.62 = 39,944.84/x
  3. Step 3: Cross multiply
    68,426.86x = 102,625.62 × 39,944.84
  4. Step 4: Simplify right side
    68,426.86x = 4,099,363,970.80
  5. Step 5: Solve for x
    x = 4,099,363,970.80/68,426.86
  6. Step 6: Final answer
    x = 59,908.70

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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.