Home / 81,908.94-113,037.96-46,101.26

Finding the Fourth Proportional to 81,908.94, 113,037.96 and 46,101.26

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Solution

The fourth proportional to 81,908.94, 113,037.96 and 46,101.26 is: 63,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,908.94 : 113,037.96 = 46,101.26 : x
  2. Step 2: Convert to fraction form
    81,908.94/113,037.96 = 46,101.26/x
  3. Step 3: Cross multiply
    81,908.94x = 113,037.96 × 46,101.26
  4. Step 4: Simplify right side
    81,908.94x = 5,211,192,383.83
  5. Step 5: Solve for x
    x = 5,211,192,383.83/81,908.94
  6. Step 6: Final answer
    x = 63,621.78

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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.