Home / 68,621.06-102,966.83-51,975.56

Finding the Fourth Proportional to 68,621.06, 102,966.83 and 51,975.56

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Solution

The fourth proportional to 68,621.06, 102,966.83 and 51,975.56 is: 77,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621.06 : 102,966.83 = 51,975.56 : x
  2. Step 2: Convert to fraction form
    68,621.06/102,966.83 = 51,975.56/x
  3. Step 3: Cross multiply
    68,621.06x = 102,966.83 × 51,975.56
  4. Step 4: Simplify right side
    68,621.06x = 5,351,757,875.96
  5. Step 5: Solve for x
    x = 5,351,757,875.96/68,621.06
  6. Step 6: Final answer
    x = 77,990.03

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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.