Home / 69,972.86-104,975.69-27,855.52

Finding the Fourth Proportional to 69,972.86, 104,975.69 and 27,855.52

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Solution

The fourth proportional to 69,972.86, 104,975.69 and 27,855.52 is: 41,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.86 : 104,975.69 = 27,855.52 : x
  2. Step 2: Convert to fraction form
    69,972.86/104,975.69 = 27,855.52/x
  3. Step 3: Cross multiply
    69,972.86x = 104,975.69 × 27,855.52
  4. Step 4: Simplify right side
    69,972.86x = 2,924,152,432.31
  5. Step 5: Solve for x
    x = 2,924,152,432.31/69,972.86
  6. Step 6: Final answer
    x = 41,789.81

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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.