Home / 84,037.05-115,971.16-45,796.61

Finding the Fourth Proportional to 84,037.05, 115,971.16 and 45,796.61

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Solution

The fourth proportional to 84,037.05, 115,971.16 and 45,796.61 is: 63,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.05 : 115,971.16 = 45,796.61 : x
  2. Step 2: Convert to fraction form
    84,037.05/115,971.16 = 45,796.61/x
  3. Step 3: Cross multiply
    84,037.05x = 115,971.16 × 45,796.61
  4. Step 4: Simplify right side
    84,037.05x = 5,311,085,727.70
  5. Step 5: Solve for x
    x = 5,311,085,727.70/84,037.05
  6. Step 6: Final answer
    x = 63,199.33

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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.