Home / 80,982.18-121,475.08-33,604.46

Finding the Fourth Proportional to 80,982.18, 121,475.08 and 33,604.46

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Solution

The fourth proportional to 80,982.18, 121,475.08 and 33,604.46 is: 50,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,982.18 : 121,475.08 = 33,604.46 : x
  2. Step 2: Convert to fraction form
    80,982.18/121,475.08 = 33,604.46/x
  3. Step 3: Cross multiply
    80,982.18x = 121,475.08 × 33,604.46
  4. Step 4: Simplify right side
    80,982.18x = 4,082,104,466.86
  5. Step 5: Solve for x
    x = 4,082,104,466.86/80,982.18
  6. Step 6: Final answer
    x = 50,407.44

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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.