Home / 43,323.75-64,975.64-13,736.07

Finding the Fourth Proportional to 43,323.75, 64,975.64 and 13,736.07

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Solution

The fourth proportional to 43,323.75, 64,975.64 and 13,736.07 is: 20,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.75 : 64,975.64 = 13,736.07 : x
  2. Step 2: Convert to fraction form
    43,323.75/64,975.64 = 13,736.07/x
  3. Step 3: Cross multiply
    43,323.75x = 64,975.64 × 13,736.07
  4. Step 4: Simplify right side
    43,323.75x = 892,509,870.65
  5. Step 5: Solve for x
    x = 892,509,870.65/43,323.75
  6. Step 6: Final answer
    x = 20,600.94

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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.