Home / 84,789.79-116,969.47-50,781.94

Finding the Fourth Proportional to 84,789.79, 116,969.47 and 50,781.94

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Solution

The fourth proportional to 84,789.79, 116,969.47 and 50,781.94 is: 70,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.79 : 116,969.47 = 50,781.94 : x
  2. Step 2: Convert to fraction form
    84,789.79/116,969.47 = 50,781.94/x
  3. Step 3: Cross multiply
    84,789.79x = 116,969.47 × 50,781.94
  4. Step 4: Simplify right side
    84,789.79x = 5,939,936,187.99
  5. Step 5: Solve for x
    x = 5,939,936,187.99/84,789.79
  6. Step 6: Final answer
    x = 70,054.85

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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.