Home / 68,943.83-103,409.99-27,379.67

Finding the Fourth Proportional to 68,943.83, 103,409.99 and 27,379.67

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Solution

The fourth proportional to 68,943.83, 103,409.99 and 27,379.67 is: 41,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.83 : 103,409.99 = 27,379.67 : x
  2. Step 2: Convert to fraction form
    68,943.83/103,409.99 = 27,379.67/x
  3. Step 3: Cross multiply
    68,943.83x = 103,409.99 × 27,379.67
  4. Step 4: Simplify right side
    68,943.83x = 2,831,331,264.00
  5. Step 5: Solve for x
    x = 2,831,331,264.00/68,943.83
  6. Step 6: Final answer
    x = 41,067.22

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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.