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Finding the Fourth Proportional to 64,850.39, 97,285.68 and 27,410.61

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Solution

The fourth proportional to 64,850.39, 97,285.68 and 27,410.61 is: 41,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.39 : 97,285.68 = 27,410.61 : x
  2. Step 2: Convert to fraction form
    64,850.39/97,285.68 = 27,410.61/x
  3. Step 3: Cross multiply
    64,850.39x = 97,285.68 × 27,410.61
  4. Step 4: Simplify right side
    64,850.39x = 2,666,659,833.06
  5. Step 5: Solve for x
    x = 2,666,659,833.06/64,850.39
  6. Step 6: Final answer
    x = 41,120.18

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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.