Home / 77,743.62-116,544.15-27,811.98

Finding the Fourth Proportional to 77,743.62, 116,544.15 and 27,811.98

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Solution

The fourth proportional to 77,743.62, 116,544.15 and 27,811.98 is: 41,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.62 : 116,544.15 = 27,811.98 : x
  2. Step 2: Convert to fraction form
    77,743.62/116,544.15 = 27,811.98/x
  3. Step 3: Cross multiply
    77,743.62x = 116,544.15 × 27,811.98
  4. Step 4: Simplify right side
    77,743.62x = 3,241,323,568.92
  5. Step 5: Solve for x
    x = 3,241,323,568.92/77,743.62
  6. Step 6: Final answer
    x = 41,692.47

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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.