Home / 43,290.96-64,942.94-15,206.07

Finding the Fourth Proportional to 43,290.96, 64,942.94 and 15,206.07

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Solution

The fourth proportional to 43,290.96, 64,942.94 and 15,206.07 is: 22,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.96 : 64,942.94 = 15,206.07 : x
  2. Step 2: Convert to fraction form
    43,290.96/64,942.94 = 15,206.07/x
  3. Step 3: Cross multiply
    43,290.96x = 64,942.94 × 15,206.07
  4. Step 4: Simplify right side
    43,290.96x = 987,526,815.62
  5. Step 5: Solve for x
    x = 987,526,815.62/43,290.96
  6. Step 6: Final answer
    x = 22,811.39

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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.