Home / 43,768.98-65,663.22-12,601.80

Finding the Fourth Proportional to 43,768.98, 65,663.22 and 12,601.80

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Solution

The fourth proportional to 43,768.98, 65,663.22 and 12,601.80 is: 18,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.98 : 65,663.22 = 12,601.80 : x
  2. Step 2: Convert to fraction form
    43,768.98/65,663.22 = 12,601.80/x
  3. Step 3: Cross multiply
    43,768.98x = 65,663.22 × 12,601.80
  4. Step 4: Simplify right side
    43,768.98x = 827,474,765.80
  5. Step 5: Solve for x
    x = 827,474,765.80/43,768.98
  6. Step 6: Final answer
    x = 18,905.51

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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.