Home / 73,912.44-102,007.26-42,076.20

Finding the Fourth Proportional to 73,912.44, 102,007.26 and 42,076.20

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Solution

The fourth proportional to 73,912.44, 102,007.26 and 42,076.20 is: 58,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.44 : 102,007.26 = 42,076.20 : x
  2. Step 2: Convert to fraction form
    73,912.44/102,007.26 = 42,076.20/x
  3. Step 3: Cross multiply
    73,912.44x = 102,007.26 × 42,076.20
  4. Step 4: Simplify right side
    73,912.44x = 4,292,077,873.21
  5. Step 5: Solve for x
    x = 4,292,077,873.21/73,912.44
  6. Step 6: Final answer
    x = 58,069.76

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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.