Home / 54,241.20-74,844.22-30,368.88

Finding the Fourth Proportional to 54,241.20, 74,844.22 and 30,368.88

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Solution

The fourth proportional to 54,241.20, 74,844.22 and 30,368.88 is: 41,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.20 : 74,844.22 = 30,368.88 : x
  2. Step 2: Convert to fraction form
    54,241.20/74,844.22 = 30,368.88/x
  3. Step 3: Cross multiply
    54,241.20x = 74,844.22 × 30,368.88
  4. Step 4: Simplify right side
    54,241.20x = 2,272,935,135.87
  5. Step 5: Solve for x
    x = 2,272,935,135.87/54,241.20
  6. Step 6: Final answer
    x = 41,904.22

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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.