Home / 61,647.71-84,996.39-50,305.69

Finding the Fourth Proportional to 61,647.71, 84,996.39 and 50,305.69

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Solution

The fourth proportional to 61,647.71, 84,996.39 and 50,305.69 is: 69,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,647.71 : 84,996.39 = 50,305.69 : x
  2. Step 2: Convert to fraction form
    61,647.71/84,996.39 = 50,305.69/x
  3. Step 3: Cross multiply
    61,647.71x = 84,996.39 × 50,305.69
  4. Step 4: Simplify right side
    61,647.71x = 4,275,801,369.95
  5. Step 5: Solve for x
    x = 4,275,801,369.95/61,647.71
  6. Step 6: Final answer
    x = 69,358.64

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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.