Home / 80,863.00-121,350.77-33,478.34

Finding the Fourth Proportional to 80,863.00, 121,350.77 and 33,478.34

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Solution

The fourth proportional to 80,863.00, 121,350.77 and 33,478.34 is: 50,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863.00 : 121,350.77 = 33,478.34 : x
  2. Step 2: Convert to fraction form
    80,863.00/121,350.77 = 33,478.34/x
  3. Step 3: Cross multiply
    80,863.00x = 121,350.77 × 33,478.34
  4. Step 4: Simplify right side
    80,863.00x = 4,062,621,688.72
  5. Step 5: Solve for x
    x = 4,062,621,688.72/80,863.00
  6. Step 6: Final answer
    x = 50,240.80

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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.