Home / 47,736.32-65,878-32,660.60

Finding the Fourth Proportional to 47,736.32, 65,878 and 32,660.60

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Solution

The fourth proportional to 47,736.32, 65,878 and 32,660.60 is: 45,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,736.32 : 65,878 = 32,660.60 : x
  2. Step 2: Convert to fraction form
    47,736.32/65,878 = 32,660.60/x
  3. Step 3: Cross multiply
    47,736.32x = 65,878 × 32,660.60
  4. Step 4: Simplify right side
    47,736.32x = 2,151,615,006.80
  5. Step 5: Solve for x
    x = 2,151,615,006.80/47,736.32
  6. Step 6: Final answer
    x = 45,072.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.