Home / 43,768.48-65,664-12,606.16

Finding the Fourth Proportional to 43,768.48, 65,664 and 12,606.16

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Solution

The fourth proportional to 43,768.48, 65,664 and 12,606.16 is: 18,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.48 : 65,664 = 12,606.16 : x
  2. Step 2: Convert to fraction form
    43,768.48/65,664 = 12,606.16/x
  3. Step 3: Cross multiply
    43,768.48x = 65,664 × 12,606.16
  4. Step 4: Simplify right side
    43,768.48x = 827,770,890.24
  5. Step 5: Solve for x
    x = 827,770,890.24/43,768.48
  6. Step 6: Final answer
    x = 18,912.49

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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.