Home / 55,138.20-82,577.70-37,512.60

Finding the Fourth Proportional to 55,138.20, 82,577.70 and 37,512.60

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Solution

The fourth proportional to 55,138.20, 82,577.70 and 37,512.60 is: 56,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.20 : 82,577.70 = 37,512.60 : x
  2. Step 2: Convert to fraction form
    55,138.20/82,577.70 = 37,512.60/x
  3. Step 3: Cross multiply
    55,138.20x = 82,577.70 × 37,512.60
  4. Step 4: Simplify right side
    55,138.20x = 3,097,704,229.02
  5. Step 5: Solve for x
    x = 3,097,704,229.02/55,138.20
  6. Step 6: Final answer
    x = 56,180.73

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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.