Home / 75,438.75-104,093.88-43,601.49

Finding the Fourth Proportional to 75,438.75, 104,093.88 and 43,601.49

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Solution

The fourth proportional to 75,438.75, 104,093.88 and 43,601.49 is: 60,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,438.75 : 104,093.88 = 43,601.49 : x
  2. Step 2: Convert to fraction form
    75,438.75/104,093.88 = 43,601.49/x
  3. Step 3: Cross multiply
    75,438.75x = 104,093.88 × 43,601.49
  4. Step 4: Simplify right side
    75,438.75x = 4,538,648,267.88
  5. Step 5: Solve for x
    x = 4,538,648,267.88/75,438.75
  6. Step 6: Final answer
    x = 60,163.35

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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.