Home / 81,914.09-113,039.96-46,108.04

Finding the Fourth Proportional to 81,914.09, 113,039.96 and 46,108.04

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Solution

The fourth proportional to 81,914.09, 113,039.96 and 46,108.04 is: 63,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,914.09 : 113,039.96 = 46,108.04 : x
  2. Step 2: Convert to fraction form
    81,914.09/113,039.96 = 46,108.04/x
  3. Step 3: Cross multiply
    81,914.09x = 113,039.96 × 46,108.04
  4. Step 4: Simplify right side
    81,914.09x = 5,212,050,201.54
  5. Step 5: Solve for x
    x = 5,212,050,201.54/81,914.09
  6. Step 6: Final answer
    x = 63,628.25

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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.