Home / 76,028.09-104,914.55-42,034.60

Finding the Fourth Proportional to 76,028.09, 104,914.55 and 42,034.60

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Solution

The fourth proportional to 76,028.09, 104,914.55 and 42,034.60 is: 58,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,028.09 : 104,914.55 = 42,034.60 : x
  2. Step 2: Convert to fraction form
    76,028.09/104,914.55 = 42,034.60/x
  3. Step 3: Cross multiply
    76,028.09x = 104,914.55 × 42,034.60
  4. Step 4: Simplify right side
    76,028.09x = 4,410,040,408.68
  5. Step 5: Solve for x
    x = 4,410,040,408.68/76,028.09
  6. Step 6: Final answer
    x = 58,005.41

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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.