Home / 80,588.76-120,760.02-33,816.12

Finding the Fourth Proportional to 80,588.76, 120,760.02 and 33,816.12

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Solution

The fourth proportional to 80,588.76, 120,760.02 and 33,816.12 is: 50,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,588.76 : 120,760.02 = 33,816.12 : x
  2. Step 2: Convert to fraction form
    80,588.76/120,760.02 = 33,816.12/x
  3. Step 3: Cross multiply
    80,588.76x = 120,760.02 × 33,816.12
  4. Step 4: Simplify right side
    80,588.76x = 4,083,635,327.52
  5. Step 5: Solve for x
    x = 4,083,635,327.52/80,588.76
  6. Step 6: Final answer
    x = 50,672.52

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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.