Home / 54,743.94-75,546.33-30,870.81

Finding the Fourth Proportional to 54,743.94, 75,546.33 and 30,870.81

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Solution

The fourth proportional to 54,743.94, 75,546.33 and 30,870.81 is: 42,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.94 : 75,546.33 = 30,870.81 : x
  2. Step 2: Convert to fraction form
    54,743.94/75,546.33 = 30,870.81/x
  3. Step 3: Cross multiply
    54,743.94x = 75,546.33 × 30,870.81
  4. Step 4: Simplify right side
    54,743.94x = 2,332,176,399.63
  5. Step 5: Solve for x
    x = 2,332,176,399.63/54,743.94
  6. Step 6: Final answer
    x = 42,601.54

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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.