Home / 64,687.67-97,025.94-39,380.61

Finding the Fourth Proportional to 64,687.67, 97,025.94 and 39,380.61

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Solution

The fourth proportional to 64,687.67, 97,025.94 and 39,380.61 is: 59,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.67 : 97,025.94 = 39,380.61 : x
  2. Step 2: Convert to fraction form
    64,687.67/97,025.94 = 39,380.61/x
  3. Step 3: Cross multiply
    64,687.67x = 97,025.94 × 39,380.61
  4. Step 4: Simplify right side
    64,687.67x = 3,820,940,506.12
  5. Step 5: Solve for x
    x = 3,820,940,506.12/64,687.67
  6. Step 6: Final answer
    x = 59,067.53

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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.