Home / 74,449.07-111,694.44-30,106.95

Finding the Fourth Proportional to 74,449.07, 111,694.44 and 30,106.95

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Solution

The fourth proportional to 74,449.07, 111,694.44 and 30,106.95 is: 45,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.07 : 111,694.44 = 30,106.95 : x
  2. Step 2: Convert to fraction form
    74,449.07/111,694.44 = 30,106.95/x
  3. Step 3: Cross multiply
    74,449.07x = 111,694.44 × 30,106.95
  4. Step 4: Simplify right side
    74,449.07x = 3,362,778,920.36
  5. Step 5: Solve for x
    x = 3,362,778,920.36/74,449.07
  6. Step 6: Final answer
    x = 45,168.85

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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.