Home / 85,935.54-118,564.47-50,100.20

Finding the Fourth Proportional to 85,935.54, 118,564.47 and 50,100.20

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Solution

The fourth proportional to 85,935.54, 118,564.47 and 50,100.20 is: 69,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,935.54 : 118,564.47 = 50,100.20 : x
  2. Step 2: Convert to fraction form
    85,935.54/118,564.47 = 50,100.20/x
  3. Step 3: Cross multiply
    85,935.54x = 118,564.47 × 50,100.20
  4. Step 4: Simplify right side
    85,935.54x = 5,940,103,067.07
  5. Step 5: Solve for x
    x = 5,940,103,067.07/85,935.54
  6. Step 6: Final answer
    x = 69,122.78

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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.