Home / 45,456.88-62,717.82-29,317.36

Finding the Fourth Proportional to 45,456.88, 62,717.82 and 29,317.36

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Solution

The fourth proportional to 45,456.88, 62,717.82 and 29,317.36 is: 40,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.88 : 62,717.82 = 29,317.36 : x
  2. Step 2: Convert to fraction form
    45,456.88/62,717.82 = 29,317.36/x
  3. Step 3: Cross multiply
    45,456.88x = 62,717.82 × 29,317.36
  4. Step 4: Simplify right side
    45,456.88x = 1,838,720,907.36
  5. Step 5: Solve for x
    x = 1,838,720,907.36/45,456.88
  6. Step 6: Final answer
    x = 40,449.78

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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.