Home / 54,122.37-74,687.49-30,249.21

Finding the Fourth Proportional to 54,122.37, 74,687.49 and 30,249.21

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Solution

The fourth proportional to 54,122.37, 74,687.49 and 30,249.21 is: 41,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.37 : 74,687.49 = 30,249.21 : x
  2. Step 2: Convert to fraction form
    54,122.37/74,687.49 = 30,249.21/x
  3. Step 3: Cross multiply
    54,122.37x = 74,687.49 × 30,249.21
  4. Step 4: Simplify right side
    54,122.37x = 2,259,237,569.38
  5. Step 5: Solve for x
    x = 2,259,237,569.38/54,122.37
  6. Step 6: Final answer
    x = 41,743.14

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1.5x scale

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.