Home / 77,723.66-116,573.14-27,794.45

Finding the Fourth Proportional to 77,723.66, 116,573.14 and 27,794.45

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Solution

The fourth proportional to 77,723.66, 116,573.14 and 27,794.45 is: 41,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723.66 : 116,573.14 = 27,794.45 : x
  2. Step 2: Convert to fraction form
    77,723.66/116,573.14 = 27,794.45/x
  3. Step 3: Cross multiply
    77,723.66x = 116,573.14 × 27,794.45
  4. Step 4: Simplify right side
    77,723.66x = 3,240,086,311.07
  5. Step 5: Solve for x
    x = 3,240,086,311.07/77,723.66
  6. Step 6: Final answer
    x = 41,687.26

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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.