Home / 81,954.48-113,087.82-46,143.57

Finding the Fourth Proportional to 81,954.48, 113,087.82 and 46,143.57

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Solution

The fourth proportional to 81,954.48, 113,087.82 and 46,143.57 is: 63,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954.48 : 113,087.82 = 46,143.57 : x
  2. Step 2: Convert to fraction form
    81,954.48/113,087.82 = 46,143.57/x
  3. Step 3: Cross multiply
    81,954.48x = 113,087.82 × 46,143.57
  4. Step 4: Simplify right side
    81,954.48x = 5,218,275,738.32
  5. Step 5: Solve for x
    x = 5,218,275,738.32/81,954.48
  6. Step 6: Final answer
    x = 63,672.86

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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.