Home / 68,659.25-102,474.10-64,175.21

Finding the Fourth Proportional to 68,659.25, 102,474.10 and 64,175.21

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Solution

The fourth proportional to 68,659.25, 102,474.10 and 64,175.21 is: 95,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,659.25 : 102,474.10 = 64,175.21 : x
  2. Step 2: Convert to fraction form
    68,659.25/102,474.10 = 64,175.21/x
  3. Step 3: Cross multiply
    68,659.25x = 102,474.10 × 64,175.21
  4. Step 4: Simplify right side
    68,659.25x = 6,576,296,887.06
  5. Step 5: Solve for x
    x = 6,576,296,887.06/68,659.25
  6. Step 6: Final answer
    x = 95,781.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.