Home / 64,991.09-89,687.93-35,183.09

Finding the Fourth Proportional to 64,991.09, 89,687.93 and 35,183.09

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Solution

The fourth proportional to 64,991.09, 89,687.93 and 35,183.09 is: 48,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.09 : 89,687.93 = 35,183.09 : x
  2. Step 2: Convert to fraction form
    64,991.09/89,687.93 = 35,183.09/x
  3. Step 3: Cross multiply
    64,991.09x = 89,687.93 × 35,183.09
  4. Step 4: Simplify right side
    64,991.09x = 3,155,498,513.10
  5. Step 5: Solve for x
    x = 3,155,498,513.10/64,991.09
  6. Step 6: Final answer
    x = 48,552.79

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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.