Home / 74,450.75-102,784.44-49,030.97

Finding the Fourth Proportional to 74,450.75, 102,784.44 and 49,030.97

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Solution

The fourth proportional to 74,450.75, 102,784.44 and 49,030.97 is: 67,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450.75 : 102,784.44 = 49,030.97 : x
  2. Step 2: Convert to fraction form
    74,450.75/102,784.44 = 49,030.97/x
  3. Step 3: Cross multiply
    74,450.75x = 102,784.44 × 49,030.97
  4. Step 4: Simplify right side
    74,450.75x = 5,039,621,042.21
  5. Step 5: Solve for x
    x = 5,039,621,042.21/74,450.75
  6. Step 6: Final answer
    x = 67,690.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.