Home / 69,867.36-104,669.82-54,208.44

Finding the Fourth Proportional to 69,867.36, 104,669.82 and 54,208.44

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Solution

The fourth proportional to 69,867.36, 104,669.82 and 54,208.44 is: 81,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.36 : 104,669.82 = 54,208.44 : x
  2. Step 2: Convert to fraction form
    69,867.36/104,669.82 = 54,208.44/x
  3. Step 3: Cross multiply
    69,867.36x = 104,669.82 × 54,208.44
  4. Step 4: Simplify right side
    69,867.36x = 5,673,987,657.28
  5. Step 5: Solve for x
    x = 5,673,987,657.28/69,867.36
  6. Step 6: Final answer
    x = 81,210.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.