Home / 54,921.16-75,788.25-31,046.41

Finding the Fourth Proportional to 54,921.16, 75,788.25 and 31,046.41

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Solution

The fourth proportional to 54,921.16, 75,788.25 and 31,046.41 is: 42,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.16 : 75,788.25 = 31,046.41 : x
  2. Step 2: Convert to fraction form
    54,921.16/75,788.25 = 31,046.41/x
  3. Step 3: Cross multiply
    54,921.16x = 75,788.25 × 31,046.41
  4. Step 4: Simplify right side
    54,921.16x = 2,352,952,703.74
  5. Step 5: Solve for x
    x = 2,352,952,703.74/54,921.16
  6. Step 6: Final answer
    x = 42,842.37

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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.