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Finding the Fourth Proportional to 68,364, 102,594.60 and 26,811

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Solution

The fourth proportional to 68,364, 102,594.60 and 26,811 is: 40,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364 : 102,594.60 = 26,811 : x
  2. Step 2: Convert to fraction form
    68,364/102,594.60 = 26,811/x
  3. Step 3: Cross multiply
    68,364x = 102,594.60 × 26,811
  4. Step 4: Simplify right side
    68,364x = 2,750,663,820.60
  5. Step 5: Solve for x
    x = 2,750,663,820.60/68,364
  6. Step 6: Final answer
    x = 40,235.56

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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.