Home / 47,746.40-71,629.60-14,469.60

Finding the Fourth Proportional to 47,746.40, 71,629.60 and 14,469.60

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Solution

The fourth proportional to 47,746.40, 71,629.60 and 14,469.60 is: 21,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,746.40 : 71,629.60 = 14,469.60 : x
  2. Step 2: Convert to fraction form
    47,746.40/71,629.60 = 14,469.60/x
  3. Step 3: Cross multiply
    47,746.40x = 71,629.60 × 14,469.60
  4. Step 4: Simplify right side
    47,746.40x = 1,036,451,660.16
  5. Step 5: Solve for x
    x = 1,036,451,660.16/47,746.40
  6. Step 6: Final answer
    x = 21,707.43

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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.