Home / 47,080.08-70,620.30-12,018.60

Finding the Fourth Proportional to 47,080.08, 70,620.30 and 12,018.60

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Solution

The fourth proportional to 47,080.08, 70,620.30 and 12,018.60 is: 18,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,080.08 : 70,620.30 = 12,018.60 : x
  2. Step 2: Convert to fraction form
    47,080.08/70,620.30 = 12,018.60/x
  3. Step 3: Cross multiply
    47,080.08x = 70,620.30 × 12,018.60
  4. Step 4: Simplify right side
    47,080.08x = 848,757,137.58
  5. Step 5: Solve for x
    x = 848,757,137.58/47,080.08
  6. Step 6: Final answer
    x = 18,027.95

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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.