Home / 68,287.26-102,434.13-33,185.10

Finding the Fourth Proportional to 68,287.26, 102,434.13 and 33,185.10

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Solution

The fourth proportional to 68,287.26, 102,434.13 and 33,185.10 is: 49,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.26 : 102,434.13 = 33,185.10 : x
  2. Step 2: Convert to fraction form
    68,287.26/102,434.13 = 33,185.10/x
  3. Step 3: Cross multiply
    68,287.26x = 102,434.13 × 33,185.10
  4. Step 4: Simplify right side
    68,287.26x = 3,399,286,847.46
  5. Step 5: Solve for x
    x = 3,399,286,847.46/68,287.26
  6. Step 6: Final answer
    x = 49,779.22

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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.