Home / 57,772.20-86,658.30-47,274.60

Finding the Fourth Proportional to 57,772.20, 86,658.30 and 47,274.60

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Solution

The fourth proportional to 57,772.20, 86,658.30 and 47,274.60 is: 70,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.20 : 86,658.30 = 47,274.60 : x
  2. Step 2: Convert to fraction form
    57,772.20/86,658.30 = 47,274.60/x
  3. Step 3: Cross multiply
    57,772.20x = 86,658.30 × 47,274.60
  4. Step 4: Simplify right side
    57,772.20x = 4,096,736,469.18
  5. Step 5: Solve for x
    x = 4,096,736,469.18/57,772.20
  6. Step 6: Final answer
    x = 70,911.90

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1.5x scale

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.