Home / 54,212.74-74,813.96-30,341.64

Finding the Fourth Proportional to 54,212.74, 74,813.96 and 30,341.64

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Solution

The fourth proportional to 54,212.74, 74,813.96 and 30,341.64 is: 41,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.74 : 74,813.96 = 30,341.64 : x
  2. Step 2: Convert to fraction form
    54,212.74/74,813.96 = 30,341.64/x
  3. Step 3: Cross multiply
    54,212.74x = 74,813.96 × 30,341.64
  4. Step 4: Simplify right side
    54,212.74x = 2,269,978,241.29
  5. Step 5: Solve for x
    x = 2,269,978,241.29/54,212.74
  6. Step 6: Final answer
    x = 41,871.68

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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.