Home / 74,090.25-102,243.72-40,097.97

Finding the Fourth Proportional to 74,090.25, 102,243.72 and 40,097.97

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Solution

The fourth proportional to 74,090.25, 102,243.72 and 40,097.97 is: 55,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.25 : 102,243.72 = 40,097.97 : x
  2. Step 2: Convert to fraction form
    74,090.25/102,243.72 = 40,097.97/x
  3. Step 3: Cross multiply
    74,090.25x = 102,243.72 × 40,097.97
  4. Step 4: Simplify right side
    74,090.25x = 4,099,765,617.25
  5. Step 5: Solve for x
    x = 4,099,765,617.25/74,090.25
  6. Step 6: Final answer
    x = 55,334.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.