Home / 81,949.74-113,091.03-46,144.50

Finding the Fourth Proportional to 81,949.74, 113,091.03 and 46,144.50

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Solution

The fourth proportional to 81,949.74, 113,091.03 and 46,144.50 is: 63,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,949.74 : 113,091.03 = 46,144.50 : x
  2. Step 2: Convert to fraction form
    81,949.74/113,091.03 = 46,144.50/x
  3. Step 3: Cross multiply
    81,949.74x = 113,091.03 × 46,144.50
  4. Step 4: Simplify right side
    81,949.74x = 5,218,529,033.84
  5. Step 5: Solve for x
    x = 5,218,529,033.84/81,949.74
  6. Step 6: Final answer
    x = 63,679.63

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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.