Home / 54,927.90-75,805.20-31,058.82

Finding the Fourth Proportional to 54,927.90, 75,805.20 and 31,058.82

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Solution

The fourth proportional to 54,927.90, 75,805.20 and 31,058.82 is: 42,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,927.90 : 75,805.20 = 31,058.82 : x
  2. Step 2: Convert to fraction form
    54,927.90/75,805.20 = 31,058.82/x
  3. Step 3: Cross multiply
    54,927.90x = 75,805.20 × 31,058.82
  4. Step 4: Simplify right side
    54,927.90x = 2,354,420,061.86
  5. Step 5: Solve for x
    x = 2,354,420,061.86/54,927.90
  6. Step 6: Final answer
    x = 42,863.83

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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.