Home / 69,533.23-104,309.79-21,505.54

Finding the Fourth Proportional to 69,533.23, 104,309.79 and 21,505.54

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Solution

The fourth proportional to 69,533.23, 104,309.79 and 21,505.54 is: 32,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,533.23 : 104,309.79 = 21,505.54 : x
  2. Step 2: Convert to fraction form
    69,533.23/104,309.79 = 21,505.54/x
  3. Step 3: Cross multiply
    69,533.23x = 104,309.79 × 21,505.54
  4. Step 4: Simplify right side
    69,533.23x = 2,243,238,361.24
  5. Step 5: Solve for x
    x = 2,243,238,361.24/69,533.23
  6. Step 6: Final answer
    x = 32,261.39

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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.