Home / 80,649.18-120,983.49-33,895.98

Finding the Fourth Proportional to 80,649.18, 120,983.49 and 33,895.98

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Solution

The fourth proportional to 80,649.18, 120,983.49 and 33,895.98 is: 50,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.18 : 120,983.49 = 33,895.98 : x
  2. Step 2: Convert to fraction form
    80,649.18/120,983.49 = 33,895.98/x
  3. Step 3: Cross multiply
    80,649.18x = 120,983.49 × 33,895.98
  4. Step 4: Simplify right side
    80,649.18x = 4,100,853,957.37
  5. Step 5: Solve for x
    x = 4,100,853,957.37/80,649.18
  6. Step 6: Final answer
    x = 50,848.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.