Home / 74,291.58-111,470.31-30,004.83

Finding the Fourth Proportional to 74,291.58, 111,470.31 and 30,004.83

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Solution

The fourth proportional to 74,291.58, 111,470.31 and 30,004.83 is: 45,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.58 : 111,470.31 = 30,004.83 : x
  2. Step 2: Convert to fraction form
    74,291.58/111,470.31 = 30,004.83/x
  3. Step 3: Cross multiply
    74,291.58x = 111,470.31 × 30,004.83
  4. Step 4: Simplify right side
    74,291.58x = 3,344,647,701.60
  5. Step 5: Solve for x
    x = 3,344,647,701.60/74,291.58
  6. Step 6: Final answer
    x = 45,020.55

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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.