Home / 84,462.54-126,441.41-51,081.63

Finding the Fourth Proportional to 84,462.54, 126,441.41 and 51,081.63

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Solution

The fourth proportional to 84,462.54, 126,441.41 and 51,081.63 is: 76,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,462.54 : 126,441.41 = 51,081.63 : x
  2. Step 2: Convert to fraction form
    84,462.54/126,441.41 = 51,081.63/x
  3. Step 3: Cross multiply
    84,462.54x = 126,441.41 × 51,081.63
  4. Step 4: Simplify right side
    84,462.54x = 6,458,833,066.89
  5. Step 5: Solve for x
    x = 6,458,833,066.89/84,462.54
  6. Step 6: Final answer
    x = 76,469.79

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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.