Home / 120,735.75-181,113.62-37,629.75

Finding the Fourth Proportional to 120,735.75, 181,113.62 and 37,629.75

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Solution

The fourth proportional to 120,735.75, 181,113.62 and 37,629.75 is: 56,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735.75 : 181,113.62 = 37,629.75 : x
  2. Step 2: Convert to fraction form
    120,735.75/181,113.62 = 37,629.75/x
  3. Step 3: Cross multiply
    120,735.75x = 181,113.62 × 37,629.75
  4. Step 4: Simplify right side
    120,735.75x = 6,815,260,054.05
  5. Step 5: Solve for x
    x = 6,815,260,054.05/120,735.75
  6. Step 6: Final answer
    x = 56,447.74

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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.