Home / 68,385.06-102,576.53-35,085.91

Finding the Fourth Proportional to 68,385.06, 102,576.53 and 35,085.91

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Solution

The fourth proportional to 68,385.06, 102,576.53 and 35,085.91 is: 52,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.06 : 102,576.53 = 35,085.91 : x
  2. Step 2: Convert to fraction form
    68,385.06/102,576.53 = 35,085.91/x
  3. Step 3: Cross multiply
    68,385.06x = 102,576.53 × 35,085.91
  4. Step 4: Simplify right side
    68,385.06x = 3,598,990,725.94
  5. Step 5: Solve for x
    x = 3,598,990,725.94/68,385.06
  6. Step 6: Final answer
    x = 52,628.32

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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.