Home / 68,586.36-102,918.90-36,996.36

Finding the Fourth Proportional to 68,586.36, 102,918.90 and 36,996.36

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Solution

The fourth proportional to 68,586.36, 102,918.90 and 36,996.36 is: 55,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,586.36 : 102,918.90 = 36,996.36 : x
  2. Step 2: Convert to fraction form
    68,586.36/102,918.90 = 36,996.36/x
  3. Step 3: Cross multiply
    68,586.36x = 102,918.90 × 36,996.36
  4. Step 4: Simplify right side
    68,586.36x = 3,807,624,675.20
  5. Step 5: Solve for x
    x = 3,807,624,675.20/68,586.36
  6. Step 6: Final answer
    x = 55,515.77

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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.