Home / 54,371.16-75,033.06-31,709.52

Finding the Fourth Proportional to 54,371.16, 75,033.06 and 31,709.52

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Solution

The fourth proportional to 54,371.16, 75,033.06 and 31,709.52 is: 43,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.16 : 75,033.06 = 31,709.52 : x
  2. Step 2: Convert to fraction form
    54,371.16/75,033.06 = 31,709.52/x
  3. Step 3: Cross multiply
    54,371.16x = 75,033.06 × 31,709.52
  4. Step 4: Simplify right side
    54,371.16x = 2,379,262,316.73
  5. Step 5: Solve for x
    x = 2,379,262,316.73/54,371.16
  6. Step 6: Final answer
    x = 43,759.64

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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.