Home / 68,992.98-103,491.76-53,986.26

Finding the Fourth Proportional to 68,992.98, 103,491.76 and 53,986.26

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Solution

The fourth proportional to 68,992.98, 103,491.76 and 53,986.26 is: 80,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,992.98 : 103,491.76 = 53,986.26 : x
  2. Step 2: Convert to fraction form
    68,992.98/103,491.76 = 53,986.26/x
  3. Step 3: Cross multiply
    68,992.98x = 103,491.76 × 53,986.26
  4. Step 4: Simplify right side
    68,992.98x = 5,587,133,063.22
  5. Step 5: Solve for x
    x = 5,587,133,063.22/68,992.98
  6. Step 6: Final answer
    x = 80,981.18

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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.