Home / 73,188.14-109,782.24-20,597.62

Finding the Fourth Proportional to 73,188.14, 109,782.24 and 20,597.62

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Solution

The fourth proportional to 73,188.14, 109,782.24 and 20,597.62 is: 30,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188.14 : 109,782.24 = 20,597.62 : x
  2. Step 2: Convert to fraction form
    73,188.14/109,782.24 = 20,597.62/x
  3. Step 3: Cross multiply
    73,188.14x = 109,782.24 × 20,597.62
  4. Step 4: Simplify right side
    73,188.14x = 2,261,252,759.28
  5. Step 5: Solve for x
    x = 2,261,252,759.28/73,188.14
  6. Step 6: Final answer
    x = 30,896.44

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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.