Home / 120,734.75-181,112.12-37,628.75

Finding the Fourth Proportional to 120,734.75, 181,112.12 and 37,628.75

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Solution

The fourth proportional to 120,734.75, 181,112.12 and 37,628.75 is: 56,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,734.75 : 181,112.12 = 37,628.75 : x
  2. Step 2: Convert to fraction form
    120,734.75/181,112.12 = 37,628.75/x
  3. Step 3: Cross multiply
    120,734.75x = 181,112.12 × 37,628.75
  4. Step 4: Simplify right side
    120,734.75x = 6,815,022,685.45
  5. Step 5: Solve for x
    x = 6,815,022,685.45/120,734.75
  6. Step 6: Final answer
    x = 56,446.24

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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.