Home / 54,930.91-75,801.54-31,058.59

Finding the Fourth Proportional to 54,930.91, 75,801.54 and 31,058.59

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Solution

The fourth proportional to 54,930.91, 75,801.54 and 31,058.59 is: 42,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.91 : 75,801.54 = 31,058.59 : x
  2. Step 2: Convert to fraction form
    54,930.91/75,801.54 = 31,058.59/x
  3. Step 3: Cross multiply
    54,930.91x = 75,801.54 × 31,058.59
  4. Step 4: Simplify right side
    54,930.91x = 2,354,288,952.23
  5. Step 5: Solve for x
    x = 2,354,288,952.23/54,930.91
  6. Step 6: Final answer
    x = 42,859.09

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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.