Home / 66,003.21-98,983.94-34,821.45

Finding the Fourth Proportional to 66,003.21, 98,983.94 and 34,821.45

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Solution

The fourth proportional to 66,003.21, 98,983.94 and 34,821.45 is: 52,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003.21 : 98,983.94 = 34,821.45 : x
  2. Step 2: Convert to fraction form
    66,003.21/98,983.94 = 34,821.45/x
  3. Step 3: Cross multiply
    66,003.21x = 98,983.94 × 34,821.45
  4. Step 4: Simplify right side
    66,003.21x = 3,446,764,143.41
  5. Step 5: Solve for x
    x = 3,446,764,143.41/66,003.21
  6. Step 6: Final answer
    x = 52,221.16

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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.