Home / 80,679.89-111,336.67-44,869.14

Finding the Fourth Proportional to 80,679.89, 111,336.67 and 44,869.14

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Solution

The fourth proportional to 80,679.89, 111,336.67 and 44,869.14 is: 61,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679.89 : 111,336.67 = 44,869.14 : x
  2. Step 2: Convert to fraction form
    80,679.89/111,336.67 = 44,869.14/x
  3. Step 3: Cross multiply
    80,679.89x = 111,336.67 × 44,869.14
  4. Step 4: Simplify right side
    80,679.89x = 4,995,579,852.33
  5. Step 5: Solve for x
    x = 4,995,579,852.33/80,679.89
  6. Step 6: Final answer
    x = 61,918.53

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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.