Home / 73,031.32-109,553.46-20,441.26

Finding the Fourth Proportional to 73,031.32, 109,553.46 and 20,441.26

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Solution

The fourth proportional to 73,031.32, 109,553.46 and 20,441.26 is: 30,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,031.32 : 109,553.46 = 20,441.26 : x
  2. Step 2: Convert to fraction form
    73,031.32/109,553.46 = 20,441.26/x
  3. Step 3: Cross multiply
    73,031.32x = 109,553.46 × 20,441.26
  4. Step 4: Simplify right side
    73,031.32x = 2,239,410,759.76
  5. Step 5: Solve for x
    x = 2,239,410,759.76/73,031.32
  6. Step 6: Final answer
    x = 30,663.70

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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.