Home / 80,282.19-110,784.67-43,976.41

Finding the Fourth Proportional to 80,282.19, 110,784.67 and 43,976.41

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Solution

The fourth proportional to 80,282.19, 110,784.67 and 43,976.41 is: 60,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,282.19 : 110,784.67 = 43,976.41 : x
  2. Step 2: Convert to fraction form
    80,282.19/110,784.67 = 43,976.41/x
  3. Step 3: Cross multiply
    80,282.19x = 110,784.67 × 43,976.41
  4. Step 4: Simplify right side
    80,282.19x = 4,871,912,069.63
  5. Step 5: Solve for x
    x = 4,871,912,069.63/80,282.19
  6. Step 6: Final answer
    x = 60,684.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.