Home / 80,660.16-121,014.86-41,244.96

Finding the Fourth Proportional to 80,660.16, 121,014.86 and 41,244.96

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Solution

The fourth proportional to 80,660.16, 121,014.86 and 41,244.96 is: 61,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660.16 : 121,014.86 = 41,244.96 : x
  2. Step 2: Convert to fraction form
    80,660.16/121,014.86 = 41,244.96/x
  3. Step 3: Cross multiply
    80,660.16x = 121,014.86 × 41,244.96
  4. Step 4: Simplify right side
    80,660.16x = 4,991,252,853.88
  5. Step 5: Solve for x
    x = 4,991,252,853.88/80,660.16
  6. Step 6: Final answer
    x = 61,880.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.