Home / 49,415.21-74,123.73-17,827.64

Finding the Fourth Proportional to 49,415.21, 74,123.73 and 17,827.64

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Solution

The fourth proportional to 49,415.21, 74,123.73 and 17,827.64 is: 26,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.21 : 74,123.73 = 17,827.64 : x
  2. Step 2: Convert to fraction form
    49,415.21/74,123.73 = 17,827.64/x
  3. Step 3: Cross multiply
    49,415.21x = 74,123.73 × 17,827.64
  4. Step 4: Simplify right side
    49,415.21x = 1,321,451,548.33
  5. Step 5: Solve for x
    x = 1,321,451,548.33/49,415.21
  6. Step 6: Final answer
    x = 26,741.80

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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.