Home / 54,660.29-75,429.83-30,785.54

Finding the Fourth Proportional to 54,660.29, 75,429.83 and 30,785.54

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Solution

The fourth proportional to 54,660.29, 75,429.83 and 30,785.54 is: 42,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.29 : 75,429.83 = 30,785.54 : x
  2. Step 2: Convert to fraction form
    54,660.29/75,429.83 = 30,785.54/x
  3. Step 3: Cross multiply
    54,660.29x = 75,429.83 × 30,785.54
  4. Step 4: Simplify right side
    54,660.29x = 2,322,147,748.47
  5. Step 5: Solve for x
    x = 2,322,147,748.47/54,660.29
  6. Step 6: Final answer
    x = 42,483.27

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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.