Home / 80,725.92-121,071.60-33,966.24

Finding the Fourth Proportional to 80,725.92, 121,071.60 and 33,966.24

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Solution

The fourth proportional to 80,725.92, 121,071.60 and 33,966.24 is: 50,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,725.92 : 121,071.60 = 33,966.24 : x
  2. Step 2: Convert to fraction form
    80,725.92/121,071.60 = 33,966.24/x
  3. Step 3: Cross multiply
    80,725.92x = 121,071.60 × 33,966.24
  4. Step 4: Simplify right side
    80,725.92x = 4,112,347,022.78
  5. Step 5: Solve for x
    x = 4,112,347,022.78/80,725.92
  6. Step 6: Final answer
    x = 50,942.09

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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.