Home / 80,563.41-111,177.43-44,756.78

Finding the Fourth Proportional to 80,563.41, 111,177.43 and 44,756.78

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Solution

The fourth proportional to 80,563.41, 111,177.43 and 44,756.78 is: 61,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,563.41 : 111,177.43 = 44,756.78 : x
  2. Step 2: Convert to fraction form
    80,563.41/111,177.43 = 44,756.78/x
  3. Step 3: Cross multiply
    80,563.41x = 111,177.43 × 44,756.78
  4. Step 4: Simplify right side
    80,563.41x = 4,975,943,107.70
  5. Step 5: Solve for x
    x = 4,975,943,107.70/80,563.41
  6. Step 6: Final answer
    x = 61,764.31

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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.