Home / 80,206.02-120,241.36-50,558.49

Finding the Fourth Proportional to 80,206.02, 120,241.36 and 50,558.49

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Solution

The fourth proportional to 80,206.02, 120,241.36 and 50,558.49 is: 75,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206.02 : 120,241.36 = 50,558.49 : x
  2. Step 2: Convert to fraction form
    80,206.02/120,241.36 = 50,558.49/x
  3. Step 3: Cross multiply
    80,206.02x = 120,241.36 × 50,558.49
  4. Step 4: Simplify right side
    80,206.02x = 6,079,221,660.34
  5. Step 5: Solve for x
    x = 6,079,221,660.34/80,206.02
  6. Step 6: Final answer
    x = 75,795.08

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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.