Home / 80,117.75-110,576.36-48,286.67

Finding the Fourth Proportional to 80,117.75, 110,576.36 and 48,286.67

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Solution

The fourth proportional to 80,117.75, 110,576.36 and 48,286.67 is: 66,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,117.75 : 110,576.36 = 48,286.67 : x
  2. Step 2: Convert to fraction form
    80,117.75/110,576.36 = 48,286.67/x
  3. Step 3: Cross multiply
    80,117.75x = 110,576.36 × 48,286.67
  4. Step 4: Simplify right side
    80,117.75x = 5,339,363,963.69
  5. Step 5: Solve for x
    x = 5,339,363,963.69/80,117.75
  6. Step 6: Final answer
    x = 66,643.96

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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.