Home / 75,379.41-104,015.88-43,558.56

Finding the Fourth Proportional to 75,379.41, 104,015.88 and 43,558.56

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Solution

The fourth proportional to 75,379.41, 104,015.88 and 43,558.56 is: 60,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.41 : 104,015.88 = 43,558.56 : x
  2. Step 2: Convert to fraction form
    75,379.41/104,015.88 = 43,558.56/x
  3. Step 3: Cross multiply
    75,379.41x = 104,015.88 × 43,558.56
  4. Step 4: Simplify right side
    75,379.41x = 4,530,781,949.93
  5. Step 5: Solve for x
    x = 4,530,781,949.93/75,379.41
  6. Step 6: Final answer
    x = 60,106.36

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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.