Home / 43,313.94-64,973.21-13,734.09

Finding the Fourth Proportional to 43,313.94, 64,973.21 and 13,734.09

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Solution

The fourth proportional to 43,313.94, 64,973.21 and 13,734.09 is: 20,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.94 : 64,973.21 = 13,734.09 : x
  2. Step 2: Convert to fraction form
    43,313.94/64,973.21 = 13,734.09/x
  3. Step 3: Cross multiply
    43,313.94x = 64,973.21 × 13,734.09
  4. Step 4: Simplify right side
    43,313.94x = 892,347,845.06
  5. Step 5: Solve for x
    x = 892,347,845.06/43,313.94
  6. Step 6: Final answer
    x = 20,601.86

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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.