Home / 77,378.09-116,067.17-51,076.69

Finding the Fourth Proportional to 77,378.09, 116,067.17 and 51,076.69

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Solution

The fourth proportional to 77,378.09, 116,067.17 and 51,076.69 is: 76,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378.09 : 116,067.17 = 51,076.69 : x
  2. Step 2: Convert to fraction form
    77,378.09/116,067.17 = 51,076.69/x
  3. Step 3: Cross multiply
    77,378.09x = 116,067.17 × 51,076.69
  4. Step 4: Simplify right side
    77,378.09x = 5,928,326,698.79
  5. Step 5: Solve for x
    x = 5,928,326,698.79/77,378.09
  6. Step 6: Final answer
    x = 76,615.06

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1.5x scale

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.