Home / 80,439.89-111,012.26-44,633.84

Finding the Fourth Proportional to 80,439.89, 111,012.26 and 44,633.84

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Solution

The fourth proportional to 80,439.89, 111,012.26 and 44,633.84 is: 61,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,439.89 : 111,012.26 = 44,633.84 : x
  2. Step 2: Convert to fraction form
    80,439.89/111,012.26 = 44,633.84/x
  3. Step 3: Cross multiply
    80,439.89x = 111,012.26 × 44,633.84
  4. Step 4: Simplify right side
    80,439.89x = 4,954,902,672.65
  5. Step 5: Solve for x
    x = 4,954,902,672.65/80,439.89
  6. Step 6: Final answer
    x = 61,597.59

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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.