Home / 69,778.80-104,662.44-23,019.12

Finding the Fourth Proportional to 69,778.80, 104,662.44 and 23,019.12

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Solution

The fourth proportional to 69,778.80, 104,662.44 and 23,019.12 is: 34,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.80 : 104,662.44 = 23,019.12 : x
  2. Step 2: Convert to fraction form
    69,778.80/104,662.44 = 23,019.12/x
  3. Step 3: Cross multiply
    69,778.80x = 104,662.44 × 23,019.12
  4. Step 4: Simplify right side
    69,778.80x = 2,409,237,265.85
  5. Step 5: Solve for x
    x = 2,409,237,265.85/69,778.80
  6. Step 6: Final answer
    x = 34,526.78

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1.5x scale

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.