Home / 76,029.94-104,921.65-42,040.82

Finding the Fourth Proportional to 76,029.94, 104,921.65 and 42,040.82

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Solution

The fourth proportional to 76,029.94, 104,921.65 and 42,040.82 is: 58,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.94 : 104,921.65 = 42,040.82 : x
  2. Step 2: Convert to fraction form
    76,029.94/104,921.65 = 42,040.82/x
  3. Step 3: Cross multiply
    76,029.94x = 104,921.65 × 42,040.82
  4. Step 4: Simplify right side
    76,029.94x = 4,410,992,201.75
  5. Step 5: Solve for x
    x = 4,410,992,201.75/76,029.94
  6. Step 6: Final answer
    x = 58,016.52

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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.