Home / 69,575.40-104,353.82-19,660.02

Finding the Fourth Proportional to 69,575.40, 104,353.82 and 19,660.02

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Solution

The fourth proportional to 69,575.40, 104,353.82 and 19,660.02 is: 29,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.40 : 104,353.82 = 19,660.02 : x
  2. Step 2: Convert to fraction form
    69,575.40/104,353.82 = 19,660.02/x
  3. Step 3: Cross multiply
    69,575.40x = 104,353.82 × 19,660.02
  4. Step 4: Simplify right side
    69,575.40x = 2,051,598,188.28
  5. Step 5: Solve for x
    x = 2,051,598,188.28/69,575.40
  6. Step 6: Final answer
    x = 29,487.41

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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.