Home / 68,085.54-102,131.06-23,716.78

Finding the Fourth Proportional to 68,085.54, 102,131.06 and 23,716.78

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Solution

The fourth proportional to 68,085.54, 102,131.06 and 23,716.78 is: 35,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,085.54 : 102,131.06 = 23,716.78 : x
  2. Step 2: Convert to fraction form
    68,085.54/102,131.06 = 23,716.78/x
  3. Step 3: Cross multiply
    68,085.54x = 102,131.06 × 23,716.78
  4. Step 4: Simplify right side
    68,085.54x = 2,422,219,507.28
  5. Step 5: Solve for x
    x = 2,422,219,507.28/68,085.54
  6. Step 6: Final answer
    x = 35,576.12

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1.5x scale

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.