Home / 68,435.26-102,717.48-35,178.68

Finding the Fourth Proportional to 68,435.26, 102,717.48 and 35,178.68

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Solution

The fourth proportional to 68,435.26, 102,717.48 and 35,178.68 is: 52,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435.26 : 102,717.48 = 35,178.68 : x
  2. Step 2: Convert to fraction form
    68,435.26/102,717.48 = 35,178.68/x
  3. Step 3: Cross multiply
    68,435.26x = 102,717.48 × 35,178.68
  4. Step 4: Simplify right side
    68,435.26x = 3,613,465,359.33
  5. Step 5: Solve for x
    x = 3,613,465,359.33/68,435.26
  6. Step 6: Final answer
    x = 52,801.22

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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.