Home / 80,124.54-120,189.27-27,533.28

Finding the Fourth Proportional to 80,124.54, 120,189.27 and 27,533.28

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Solution

The fourth proportional to 80,124.54, 120,189.27 and 27,533.28 is: 41,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,124.54 : 120,189.27 = 27,533.28 : x
  2. Step 2: Convert to fraction form
    80,124.54/120,189.27 = 27,533.28/x
  3. Step 3: Cross multiply
    80,124.54x = 120,189.27 × 27,533.28
  4. Step 4: Simplify right side
    80,124.54x = 3,309,204,823.91
  5. Step 5: Solve for x
    x = 3,309,204,823.91/80,124.54
  6. Step 6: Final answer
    x = 41,300.77

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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.