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Finding the Fourth Proportional to 68,080.60, 102,005.70 and 32,944.60

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Solution

The fourth proportional to 68,080.60, 102,005.70 and 32,944.60 is: 49,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.60 : 102,005.70 = 32,944.60 : x
  2. Step 2: Convert to fraction form
    68,080.60/102,005.70 = 32,944.60/x
  3. Step 3: Cross multiply
    68,080.60x = 102,005.70 × 32,944.60
  4. Step 4: Simplify right side
    68,080.60x = 3,360,536,984.22
  5. Step 5: Solve for x
    x = 3,360,536,984.22/68,080.60
  6. Step 6: Final answer
    x = 49,361.15

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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.