Home / 80,749.46-121,168.79-33,353.52

Finding the Fourth Proportional to 80,749.46, 121,168.79 and 33,353.52

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Solution

The fourth proportional to 80,749.46, 121,168.79 and 33,353.52 is: 50,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.46 : 121,168.79 = 33,353.52 : x
  2. Step 2: Convert to fraction form
    80,749.46/121,168.79 = 33,353.52/x
  3. Step 3: Cross multiply
    80,749.46x = 121,168.79 × 33,353.52
  4. Step 4: Simplify right side
    80,749.46x = 4,041,405,493.87
  5. Step 5: Solve for x
    x = 4,041,405,493.87/80,749.46
  6. Step 6: Final answer
    x = 50,048.70

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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.