Home / 55,845.58-77,067.15-30,696.70

Finding the Fourth Proportional to 55,845.58, 77,067.15 and 30,696.70

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Solution

The fourth proportional to 55,845.58, 77,067.15 and 30,696.70 is: 42,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.58 : 77,067.15 = 30,696.70 : x
  2. Step 2: Convert to fraction form
    55,845.58/77,067.15 = 30,696.70/x
  3. Step 3: Cross multiply
    55,845.58x = 77,067.15 × 30,696.70
  4. Step 4: Simplify right side
    55,845.58x = 2,365,707,183.41
  5. Step 5: Solve for x
    x = 2,365,707,183.41/55,845.58
  6. Step 6: Final answer
    x = 42,361.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.