Home / 80,644.84-111,289.21-44,834.54

Finding the Fourth Proportional to 80,644.84, 111,289.21 and 44,834.54

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Solution

The fourth proportional to 80,644.84, 111,289.21 and 44,834.54 is: 61,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,644.84 : 111,289.21 = 44,834.54 : x
  2. Step 2: Convert to fraction form
    80,644.84/111,289.21 = 44,834.54/x
  3. Step 3: Cross multiply
    80,644.84x = 111,289.21 × 44,834.54
  4. Step 4: Simplify right side
    80,644.84x = 4,989,599,868.78
  5. Step 5: Solve for x
    x = 4,989,599,868.78/80,644.84
  6. Step 6: Final answer
    x = 61,871.29

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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.