Home / 69,721.36-104,583.12-22,345.36

Finding the Fourth Proportional to 69,721.36, 104,583.12 and 22,345.36

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Solution

The fourth proportional to 69,721.36, 104,583.12 and 22,345.36 is: 33,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.36 : 104,583.12 = 22,345.36 : x
  2. Step 2: Convert to fraction form
    69,721.36/104,583.12 = 22,345.36/x
  3. Step 3: Cross multiply
    69,721.36x = 104,583.12 × 22,345.36
  4. Step 4: Simplify right side
    69,721.36x = 2,336,947,466.32
  5. Step 5: Solve for x
    x = 2,336,947,466.32/69,721.36
  6. Step 6: Final answer
    x = 33,518.39

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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.