Home / 120,872.73-181,392.39-41,986.96

Finding the Fourth Proportional to 120,872.73, 181,392.39 and 41,986.96

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Solution

The fourth proportional to 120,872.73, 181,392.39 and 41,986.96 is: 63,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,872.73 : 181,392.39 = 41,986.96 : x
  2. Step 2: Convert to fraction form
    120,872.73/181,392.39 = 41,986.96/x
  3. Step 3: Cross multiply
    120,872.73x = 181,392.39 × 41,986.96
  4. Step 4: Simplify right side
    120,872.73x = 7,616,114,451.67
  5. Step 5: Solve for x
    x = 7,616,114,451.67/120,872.73
  6. Step 6: Final answer
    x = 63,009.37

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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.