Home / 84,664.31-116,825.21-50,664.89

Finding the Fourth Proportional to 84,664.31, 116,825.21 and 50,664.89

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Solution

The fourth proportional to 84,664.31, 116,825.21 and 50,664.89 is: 69,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,664.31 : 116,825.21 = 50,664.89 : x
  2. Step 2: Convert to fraction form
    84,664.31/116,825.21 = 50,664.89/x
  3. Step 3: Cross multiply
    84,664.31x = 116,825.21 × 50,664.89
  4. Step 4: Simplify right side
    84,664.31x = 5,918,936,785.10
  5. Step 5: Solve for x
    x = 5,918,936,785.10/84,664.31
  6. Step 6: Final answer
    x = 69,910.65

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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.