Home / 77,289.48-115,963.38-27,367.56

Finding the Fourth Proportional to 77,289.48, 115,963.38 and 27,367.56

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Solution

The fourth proportional to 77,289.48, 115,963.38 and 27,367.56 is: 41,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.48 : 115,963.38 = 27,367.56 : x
  2. Step 2: Convert to fraction form
    77,289.48/115,963.38 = 27,367.56/x
  3. Step 3: Cross multiply
    77,289.48x = 115,963.38 × 27,367.56
  4. Step 4: Simplify right side
    77,289.48x = 3,173,634,759.95
  5. Step 5: Solve for x
    x = 3,173,634,759.95/77,289.48
  6. Step 6: Final answer
    x = 41,061.67

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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.