Home / 51,981.92-77,960.94-14,544.62

Finding the Fourth Proportional to 51,981.92, 77,960.94 and 14,544.62

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Solution

The fourth proportional to 51,981.92, 77,960.94 and 14,544.62 is: 21,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.92 : 77,960.94 = 14,544.62 : x
  2. Step 2: Convert to fraction form
    51,981.92/77,960.94 = 14,544.62/x
  3. Step 3: Cross multiply
    51,981.92x = 77,960.94 × 14,544.62
  4. Step 4: Simplify right side
    51,981.92x = 1,133,912,247.14
  5. Step 5: Solve for x
    x = 1,133,912,247.14/51,981.92
  6. Step 6: Final answer
    x = 21,813.59

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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.