Home / 54,815.45-75,645.56-29,664.95

Finding the Fourth Proportional to 54,815.45, 75,645.56 and 29,664.95

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Solution

The fourth proportional to 54,815.45, 75,645.56 and 29,664.95 is: 40,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.45 : 75,645.56 = 29,664.95 : x
  2. Step 2: Convert to fraction form
    54,815.45/75,645.56 = 29,664.95/x
  3. Step 3: Cross multiply
    54,815.45x = 75,645.56 × 29,664.95
  4. Step 4: Simplify right side
    54,815.45x = 2,244,021,606.80
  5. Step 5: Solve for x
    x = 2,244,021,606.80/54,815.45
  6. Step 6: Final answer
    x = 40,937.76

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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.