Home / 80,611.41-111,244.34-44,313.54

Finding the Fourth Proportional to 80,611.41, 111,244.34 and 44,313.54

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Solution

The fourth proportional to 80,611.41, 111,244.34 and 44,313.54 is: 61,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,611.41 : 111,244.34 = 44,313.54 : x
  2. Step 2: Convert to fraction form
    80,611.41/111,244.34 = 44,313.54/x
  3. Step 3: Cross multiply
    80,611.41x = 111,244.34 × 44,313.54
  4. Step 4: Simplify right side
    80,611.41x = 4,929,630,288.80
  5. Step 5: Solve for x
    x = 4,929,630,288.80/80,611.41
  6. Step 6: Final answer
    x = 61,153.01

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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.