Home / 80,450.44-111,020.18-44,639.84

Finding the Fourth Proportional to 80,450.44, 111,020.18 and 44,639.84

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Solution

The fourth proportional to 80,450.44, 111,020.18 and 44,639.84 is: 61,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450.44 : 111,020.18 = 44,639.84 : x
  2. Step 2: Convert to fraction form
    80,450.44/111,020.18 = 44,639.84/x
  3. Step 3: Cross multiply
    80,450.44x = 111,020.18 × 44,639.84
  4. Step 4: Simplify right side
    80,450.44x = 4,955,923,071.97
  5. Step 5: Solve for x
    x = 4,955,923,071.97/80,450.44
  6. Step 6: Final answer
    x = 61,602.19

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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.