Home / 68,180.09-102,312.72-26,063.73

Finding the Fourth Proportional to 68,180.09, 102,312.72 and 26,063.73

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Solution

The fourth proportional to 68,180.09, 102,312.72 and 26,063.73 is: 39,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,180.09 : 102,312.72 = 26,063.73 : x
  2. Step 2: Convert to fraction form
    68,180.09/102,312.72 = 26,063.73/x
  3. Step 3: Cross multiply
    68,180.09x = 102,312.72 × 26,063.73
  4. Step 4: Simplify right side
    68,180.09x = 2,666,651,109.65
  5. Step 5: Solve for x
    x = 2,666,651,109.65/68,180.09
  6. Step 6: Final answer
    x = 39,111.88

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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.