Home / 69,428.75-104,147.99-27,875.75

Finding the Fourth Proportional to 69,428.75, 104,147.99 and 27,875.75

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Solution

The fourth proportional to 69,428.75, 104,147.99 and 27,875.75 is: 41,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.75 : 104,147.99 = 27,875.75 : x
  2. Step 2: Convert to fraction form
    69,428.75/104,147.99 = 27,875.75/x
  3. Step 3: Cross multiply
    69,428.75x = 104,147.99 × 27,875.75
  4. Step 4: Simplify right side
    69,428.75x = 2,903,203,192.86
  5. Step 5: Solve for x
    x = 2,903,203,192.86/69,428.75
  6. Step 6: Final answer
    x = 41,815.58

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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.