Home / 84,023.79-126,072.74-44,571.22

Finding the Fourth Proportional to 84,023.79, 126,072.74 and 44,571.22

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Solution

The fourth proportional to 84,023.79, 126,072.74 and 44,571.22 is: 66,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.79 : 126,072.74 = 44,571.22 : x
  2. Step 2: Convert to fraction form
    84,023.79/126,072.74 = 44,571.22/x
  3. Step 3: Cross multiply
    84,023.79x = 126,072.74 × 44,571.22
  4. Step 4: Simplify right side
    84,023.79x = 5,619,215,830.54
  5. Step 5: Solve for x
    x = 5,619,215,830.54/84,023.79
  6. Step 6: Final answer
    x = 66,876.49

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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.