Home / 47,163.64-70,745.54-12,103.36

Finding the Fourth Proportional to 47,163.64, 70,745.54 and 12,103.36

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Solution

The fourth proportional to 47,163.64, 70,745.54 and 12,103.36 is: 18,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.64 : 70,745.54 = 12,103.36 : x
  2. Step 2: Convert to fraction form
    47,163.64/70,745.54 = 12,103.36/x
  3. Step 3: Cross multiply
    47,163.64x = 70,745.54 × 12,103.36
  4. Step 4: Simplify right side
    47,163.64x = 856,258,739.01
  5. Step 5: Solve for x
    x = 856,258,739.01/47,163.64
  6. Step 6: Final answer
    x = 18,155.06

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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.