Home / 68,223.36-102,345.99-28,786.29

Finding the Fourth Proportional to 68,223.36, 102,345.99 and 28,786.29

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Solution

The fourth proportional to 68,223.36, 102,345.99 and 28,786.29 is: 43,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,223.36 : 102,345.99 = 28,786.29 : x
  2. Step 2: Convert to fraction form
    68,223.36/102,345.99 = 28,786.29/x
  3. Step 3: Cross multiply
    68,223.36x = 102,345.99 × 28,786.29
  4. Step 4: Simplify right side
    68,223.36x = 2,946,161,348.48
  5. Step 5: Solve for x
    x = 2,946,161,348.48/68,223.36
  6. Step 6: Final answer
    x = 43,184.06

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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.