Home / 69,762.15-104,643.27-30,297.73

Finding the Fourth Proportional to 69,762.15, 104,643.27 and 30,297.73

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Solution

The fourth proportional to 69,762.15, 104,643.27 and 30,297.73 is: 45,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762.15 : 104,643.27 = 30,297.73 : x
  2. Step 2: Convert to fraction form
    69,762.15/104,643.27 = 30,297.73/x
  3. Step 3: Cross multiply
    69,762.15x = 104,643.27 × 30,297.73
  4. Step 4: Simplify right side
    69,762.15x = 3,170,453,540.78
  5. Step 5: Solve for x
    x = 3,170,453,540.78/69,762.15
  6. Step 6: Final answer
    x = 45,446.61

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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.