Home / 68,080.56-102,107.34-64,704.96

Finding the Fourth Proportional to 68,080.56, 102,107.34 and 64,704.96

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Solution

The fourth proportional to 68,080.56, 102,107.34 and 64,704.96 is: 97,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.56 : 102,107.34 = 64,704.96 : x
  2. Step 2: Convert to fraction form
    68,080.56/102,107.34 = 64,704.96/x
  3. Step 3: Cross multiply
    68,080.56x = 102,107.34 × 64,704.96
  4. Step 4: Simplify right side
    68,080.56x = 6,606,851,350.41
  5. Step 5: Solve for x
    x = 6,606,851,350.41/68,080.56
  6. Step 6: Final answer
    x = 97,044.61

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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.