Home / 53,660.97-80,505.78-18,600.60

Finding the Fourth Proportional to 53,660.97, 80,505.78 and 18,600.60

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Solution

The fourth proportional to 53,660.97, 80,505.78 and 18,600.60 is: 27,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.97 : 80,505.78 = 18,600.60 : x
  2. Step 2: Convert to fraction form
    53,660.97/80,505.78 = 18,600.60/x
  3. Step 3: Cross multiply
    53,660.97x = 80,505.78 × 18,600.60
  4. Step 4: Simplify right side
    53,660.97x = 1,497,455,811.47
  5. Step 5: Solve for x
    x = 1,497,455,811.47/53,660.97
  6. Step 6: Final answer
    x = 27,905.87

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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.