Home / 43,123.20-64,658.24-16,797.28

Finding the Fourth Proportional to 43,123.20, 64,658.24 and 16,797.28

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Solution

The fourth proportional to 43,123.20, 64,658.24 and 16,797.28 is: 25,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123.20 : 64,658.24 = 16,797.28 : x
  2. Step 2: Convert to fraction form
    43,123.20/64,658.24 = 16,797.28/x
  3. Step 3: Cross multiply
    43,123.20x = 64,658.24 × 16,797.28
  4. Step 4: Simplify right side
    43,123.20x = 1,086,082,561.59
  5. Step 5: Solve for x
    x = 1,086,082,561.59/43,123.20
  6. Step 6: Final answer
    x = 25,185.57

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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.