Home / 69,554.72-104,330.22-19,638.26

Finding the Fourth Proportional to 69,554.72, 104,330.22 and 19,638.26

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Solution

The fourth proportional to 69,554.72, 104,330.22 and 19,638.26 is: 29,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,554.72 : 104,330.22 = 19,638.26 : x
  2. Step 2: Convert to fraction form
    69,554.72/104,330.22 = 19,638.26/x
  3. Step 3: Cross multiply
    69,554.72x = 104,330.22 × 19,638.26
  4. Step 4: Simplify right side
    69,554.72x = 2,048,863,986.22
  5. Step 5: Solve for x
    x = 2,048,863,986.22/69,554.72
  6. Step 6: Final answer
    x = 29,456.86

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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.