Home / 80,449.54-111,021.23-44,640.15

Finding the Fourth Proportional to 80,449.54, 111,021.23 and 44,640.15

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Solution

The fourth proportional to 80,449.54, 111,021.23 and 44,640.15 is: 61,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,449.54 : 111,021.23 = 44,640.15 : x
  2. Step 2: Convert to fraction form
    80,449.54/111,021.23 = 44,640.15/x
  3. Step 3: Cross multiply
    80,449.54x = 111,021.23 × 44,640.15
  4. Step 4: Simplify right side
    80,449.54x = 4,956,004,055.66
  5. Step 5: Solve for x
    x = 4,956,004,055.66/80,449.54
  6. Step 6: Final answer
    x = 61,603.88

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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.