Home / 68,556.36-102,833.46-36,981.12

Finding the Fourth Proportional to 68,556.36, 102,833.46 and 36,981.12

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Solution

The fourth proportional to 68,556.36, 102,833.46 and 36,981.12 is: 55,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,556.36 : 102,833.46 = 36,981.12 : x
  2. Step 2: Convert to fraction form
    68,556.36/102,833.46 = 36,981.12/x
  3. Step 3: Cross multiply
    68,556.36x = 102,833.46 × 36,981.12
  4. Step 4: Simplify right side
    68,556.36x = 3,802,896,524.28
  5. Step 5: Solve for x
    x = 3,802,896,524.28/68,556.36
  6. Step 6: Final answer
    x = 55,471.10

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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.