Home / 77,378.22-116,067.30-51,076.80

Finding the Fourth Proportional to 77,378.22, 116,067.30 and 51,076.80

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Solution

The fourth proportional to 77,378.22, 116,067.30 and 51,076.80 is: 76,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378.22 : 116,067.30 = 51,076.80 : x
  2. Step 2: Convert to fraction form
    77,378.22/116,067.30 = 51,076.80/x
  3. Step 3: Cross multiply
    77,378.22x = 116,067.30 × 51,076.80
  4. Step 4: Simplify right side
    77,378.22x = 5,928,346,268.64
  5. Step 5: Solve for x
    x = 5,928,346,268.64/77,378.22
  6. Step 6: Final answer
    x = 76,615.18

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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.