Home / 80,550.19-111,199.67-50,352.31

Finding the Fourth Proportional to 80,550.19, 111,199.67 and 50,352.31

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Solution

The fourth proportional to 80,550.19, 111,199.67 and 50,352.31 is: 69,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.19 : 111,199.67 = 50,352.31 : x
  2. Step 2: Convert to fraction form
    80,550.19/111,199.67 = 50,352.31/x
  3. Step 3: Cross multiply
    80,550.19x = 111,199.67 × 50,352.31
  4. Step 4: Simplify right side
    80,550.19x = 5,599,160,003.98
  5. Step 5: Solve for x
    x = 5,599,160,003.98/80,550.19
  6. Step 6: Final answer
    x = 69,511.44

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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.