Home / 69,400.44-104,085.12-31,924.56

Finding the Fourth Proportional to 69,400.44, 104,085.12 and 31,924.56

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Solution

The fourth proportional to 69,400.44, 104,085.12 and 31,924.56 is: 47,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.44 : 104,085.12 = 31,924.56 : x
  2. Step 2: Convert to fraction form
    69,400.44/104,085.12 = 31,924.56/x
  3. Step 3: Cross multiply
    69,400.44x = 104,085.12 × 31,924.56
  4. Step 4: Simplify right side
    69,400.44x = 3,322,871,658.55
  5. Step 5: Solve for x
    x = 3,322,871,658.55/69,400.44
  6. Step 6: Final answer
    x = 47,879.69

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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.