Home / 54,270.64-74,893.62-30,398.68

Finding the Fourth Proportional to 54,270.64, 74,893.62 and 30,398.68

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Solution

The fourth proportional to 54,270.64, 74,893.62 and 30,398.68 is: 41,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.64 : 74,893.62 = 30,398.68 : x
  2. Step 2: Convert to fraction form
    54,270.64/74,893.62 = 30,398.68/x
  3. Step 3: Cross multiply
    54,270.64x = 74,893.62 × 30,398.68
  4. Step 4: Simplify right side
    54,270.64x = 2,276,667,188.42
  5. Step 5: Solve for x
    x = 2,276,667,188.42/54,270.64
  6. Step 6: Final answer
    x = 41,950.26

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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.