Home / 121,161.47-181,771.37-51,060.83

Finding the Fourth Proportional to 121,161.47, 181,771.37 and 51,060.83

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Solution

The fourth proportional to 121,161.47, 181,771.37 and 51,060.83 is: 76,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,161.47 : 181,771.37 = 51,060.83 : x
  2. Step 2: Convert to fraction form
    121,161.47/181,771.37 = 51,060.83/x
  3. Step 3: Cross multiply
    121,161.47x = 181,771.37 × 51,060.83
  4. Step 4: Simplify right side
    121,161.47x = 9,281,397,022.44
  5. Step 5: Solve for x
    x = 9,281,397,022.44/121,161.47
  6. Step 6: Final answer
    x = 76,603.54

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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.