Home / 103,091.53-154,374.78-67,924.57

Finding the Fourth Proportional to 103,091.53, 154,374.78 and 67,924.57

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Solution

The fourth proportional to 103,091.53, 154,374.78 and 67,924.57 is: 101,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.53 : 154,374.78 = 67,924.57 : x
  2. Step 2: Convert to fraction form
    103,091.53/154,374.78 = 67,924.57/x
  3. Step 3: Cross multiply
    103,091.53x = 154,374.78 × 67,924.57
  4. Step 4: Simplify right side
    103,091.53x = 10,485,839,438.85
  5. Step 5: Solve for x
    x = 10,485,839,438.85/103,091.53
  6. Step 6: Final answer
    x = 101,713.88

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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.