Home / 54,629.31-75,395.70-30,760.68

Finding the Fourth Proportional to 54,629.31, 75,395.70 and 30,760.68

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Solution

The fourth proportional to 54,629.31, 75,395.70 and 30,760.68 is: 42,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.31 : 75,395.70 = 30,760.68 : x
  2. Step 2: Convert to fraction form
    54,629.31/75,395.70 = 30,760.68/x
  3. Step 3: Cross multiply
    54,629.31x = 75,395.70 × 30,760.68
  4. Step 4: Simplify right side
    54,629.31x = 2,319,223,001.08
  5. Step 5: Solve for x
    x = 2,319,223,001.08/54,629.31
  6. Step 6: Final answer
    x = 42,453.82

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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.