Home / 121,399.49-182,115.85-41,415.98

Finding the Fourth Proportional to 121,399.49, 182,115.85 and 41,415.98

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Solution

The fourth proportional to 121,399.49, 182,115.85 and 41,415.98 is: 62,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,399.49 : 182,115.85 = 41,415.98 : x
  2. Step 2: Convert to fraction form
    121,399.49/182,115.85 = 41,415.98/x
  3. Step 3: Cross multiply
    121,399.49x = 182,115.85 × 41,415.98
  4. Step 4: Simplify right side
    121,399.49x = 7,542,505,738.91
  5. Step 5: Solve for x
    x = 7,542,505,738.91/121,399.49
  6. Step 6: Final answer
    x = 62,129.64

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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.