Home / 54,744.24-75,541.28-30,874.56

Finding the Fourth Proportional to 54,744.24, 75,541.28 and 30,874.56

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Solution

The fourth proportional to 54,744.24, 75,541.28 and 30,874.56 is: 42,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.24 : 75,541.28 = 30,874.56 : x
  2. Step 2: Convert to fraction form
    54,744.24/75,541.28 = 30,874.56/x
  3. Step 3: Cross multiply
    54,744.24x = 75,541.28 × 30,874.56
  4. Step 4: Simplify right side
    54,744.24x = 2,332,303,781.84
  5. Step 5: Solve for x
    x = 2,332,303,781.84/54,744.24
  6. Step 6: Final answer
    x = 42,603.64

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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.