Home / 68,936.46-102,937.74-54,737.16

Finding the Fourth Proportional to 68,936.46, 102,937.74 and 54,737.16

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Solution

The fourth proportional to 68,936.46, 102,937.74 and 54,737.16 is: 81,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,936.46 : 102,937.74 = 54,737.16 : x
  2. Step 2: Convert to fraction form
    68,936.46/102,937.74 = 54,737.16/x
  3. Step 3: Cross multiply
    68,936.46x = 102,937.74 × 54,737.16
  4. Step 4: Simplify right side
    68,936.46x = 5,634,519,544.42
  5. Step 5: Solve for x
    x = 5,634,519,544.42/68,936.46
  6. Step 6: Final answer
    x = 81,734.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.