Home / 77,378.34-116,067.54-51,076.93

Finding the Fourth Proportional to 77,378.34, 116,067.54 and 51,076.93

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Solution

The fourth proportional to 77,378.34, 116,067.54 and 51,076.93 is: 76,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378.34 : 116,067.54 = 51,076.93 : x
  2. Step 2: Convert to fraction form
    77,378.34/116,067.54 = 51,076.93/x
  3. Step 3: Cross multiply
    77,378.34x = 116,067.54 × 51,076.93
  4. Step 4: Simplify right side
    77,378.34x = 5,928,373,615.85
  5. Step 5: Solve for x
    x = 5,928,373,615.85/77,378.34
  6. Step 6: Final answer
    x = 76,615.41

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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.