Home / 77,731.06-107,266.52-43,741.44

Finding the Fourth Proportional to 77,731.06, 107,266.52 and 43,741.44

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Solution

The fourth proportional to 77,731.06, 107,266.52 and 43,741.44 is: 60,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,731.06 : 107,266.52 = 43,741.44 : x
  2. Step 2: Convert to fraction form
    77,731.06/107,266.52 = 43,741.44/x
  3. Step 3: Cross multiply
    77,731.06x = 107,266.52 × 43,741.44
  4. Step 4: Simplify right side
    77,731.06x = 4,691,992,048.59
  5. Step 5: Solve for x
    x = 4,691,992,048.59/77,731.06
  6. Step 6: Final answer
    x = 60,361.87

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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.