Home / 73,965.24-102,072.66-68,314.56

Finding the Fourth Proportional to 73,965.24, 102,072.66 and 68,314.56

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Solution

The fourth proportional to 73,965.24, 102,072.66 and 68,314.56 is: 94,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,965.24 : 102,072.66 = 68,314.56 : x
  2. Step 2: Convert to fraction form
    73,965.24/102,072.66 = 68,314.56/x
  3. Step 3: Cross multiply
    73,965.24x = 102,072.66 × 68,314.56
  4. Step 4: Simplify right side
    73,965.24x = 6,973,048,855.93
  5. Step 5: Solve for x
    x = 6,973,048,855.93/73,965.24
  6. Step 6: Final answer
    x = 94,274.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.