Home / 68,087.85-102,131.62-32,440.96

Finding the Fourth Proportional to 68,087.85, 102,131.62 and 32,440.96

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Solution

The fourth proportional to 68,087.85, 102,131.62 and 32,440.96 is: 48,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.85 : 102,131.62 = 32,440.96 : x
  2. Step 2: Convert to fraction form
    68,087.85/102,131.62 = 32,440.96/x
  3. Step 3: Cross multiply
    68,087.85x = 102,131.62 × 32,440.96
  4. Step 4: Simplify right side
    68,087.85x = 3,313,247,799.16
  5. Step 5: Solve for x
    x = 3,313,247,799.16/68,087.85
  6. Step 6: Final answer
    x = 48,661.37

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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.