Home / 80,555.15-111,219.87-50,383.19

Finding the Fourth Proportional to 80,555.15, 111,219.87 and 50,383.19

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Solution

The fourth proportional to 80,555.15, 111,219.87 and 50,383.19 is: 69,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555.15 : 111,219.87 = 50,383.19 : x
  2. Step 2: Convert to fraction form
    80,555.15/111,219.87 = 50,383.19/x
  3. Step 3: Cross multiply
    80,555.15x = 111,219.87 × 50,383.19
  4. Step 4: Simplify right side
    80,555.15x = 5,603,611,285.89
  5. Step 5: Solve for x
    x = 5,603,611,285.89/80,555.15
  6. Step 6: Final answer
    x = 69,562.43

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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.