Home / 84,106.49-126,016.92-50,756.48

Finding the Fourth Proportional to 84,106.49, 126,016.92 and 50,756.48

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Solution

The fourth proportional to 84,106.49, 126,016.92 and 50,756.48 is: 76,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,106.49 : 126,016.92 = 50,756.48 : x
  2. Step 2: Convert to fraction form
    84,106.49/126,016.92 = 50,756.48/x
  3. Step 3: Cross multiply
    84,106.49x = 126,016.92 × 50,756.48
  4. Step 4: Simplify right side
    84,106.49x = 6,396,175,279.64
  5. Step 5: Solve for x
    x = 6,396,175,279.64/84,106.49
  6. Step 6: Final answer
    x = 76,048.53

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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.