Home / 54,122.68-74,684.31-30,248.54

Finding the Fourth Proportional to 54,122.68, 74,684.31 and 30,248.54

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Solution

The fourth proportional to 54,122.68, 74,684.31 and 30,248.54 is: 41,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.68 : 74,684.31 = 30,248.54 : x
  2. Step 2: Convert to fraction form
    54,122.68/74,684.31 = 30,248.54/x
  3. Step 3: Cross multiply
    54,122.68x = 74,684.31 × 30,248.54
  4. Step 4: Simplify right side
    54,122.68x = 2,259,090,964.99
  5. Step 5: Solve for x
    x = 2,259,090,964.99/54,122.68
  6. Step 6: Final answer
    x = 41,740.19

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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.