Home / 68,250.16-102,305.09-26,120.35

Finding the Fourth Proportional to 68,250.16, 102,305.09 and 26,120.35

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Solution

The fourth proportional to 68,250.16, 102,305.09 and 26,120.35 is: 39,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,250.16 : 102,305.09 = 26,120.35 : x
  2. Step 2: Convert to fraction form
    68,250.16/102,305.09 = 26,120.35/x
  3. Step 3: Cross multiply
    68,250.16x = 102,305.09 × 26,120.35
  4. Step 4: Simplify right side
    68,250.16x = 2,672,244,626.98
  5. Step 5: Solve for x
    x = 2,672,244,626.98/68,250.16
  6. Step 6: Final answer
    x = 39,153.68

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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.