Home / 40,086.88-60,120.58-16,700.56

Finding the Fourth Proportional to 40,086.88, 60,120.58 and 16,700.56

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Solution

The fourth proportional to 40,086.88, 60,120.58 and 16,700.56 is: 25,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.88 : 60,120.58 = 16,700.56 : x
  2. Step 2: Convert to fraction form
    40,086.88/60,120.58 = 16,700.56/x
  3. Step 3: Cross multiply
    40,086.88x = 60,120.58 × 16,700.56
  4. Step 4: Simplify right side
    40,086.88x = 1,004,047,353.52
  5. Step 5: Solve for x
    x = 1,004,047,353.52/40,086.88
  6. Step 6: Final answer
    x = 25,046.78

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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.