Home / 80,578.44-111,202.98-44,772.36

Finding the Fourth Proportional to 80,578.44, 111,202.98 and 44,772.36

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Solution

The fourth proportional to 80,578.44, 111,202.98 and 44,772.36 is: 61,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.44 : 111,202.98 = 44,772.36 : x
  2. Step 2: Convert to fraction form
    80,578.44/111,202.98 = 44,772.36/x
  3. Step 3: Cross multiply
    80,578.44x = 111,202.98 × 44,772.36
  4. Step 4: Simplify right side
    80,578.44x = 4,978,819,853.63
  5. Step 5: Solve for x
    x = 4,978,819,853.63/80,578.44
  6. Step 6: Final answer
    x = 61,788.49

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1.5x scale

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.