Home / 74,022.58-111,076.19-31,324.64

Finding the Fourth Proportional to 74,022.58, 111,076.19 and 31,324.64

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Solution

The fourth proportional to 74,022.58, 111,076.19 and 31,324.64 is: 47,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.58 : 111,076.19 = 31,324.64 : x
  2. Step 2: Convert to fraction form
    74,022.58/111,076.19 = 31,324.64/x
  3. Step 3: Cross multiply
    74,022.58x = 111,076.19 × 31,324.64
  4. Step 4: Simplify right side
    74,022.58x = 3,479,421,507.70
  5. Step 5: Solve for x
    x = 3,479,421,507.70/74,022.58
  6. Step 6: Final answer
    x = 47,004.87

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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.