Home / 123,942.33-171,041.49-67,353.75

Finding the Fourth Proportional to 123,942.33, 171,041.49 and 67,353.75

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Solution

The fourth proportional to 123,942.33, 171,041.49 and 67,353.75 is: 92,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.33 : 171,041.49 = 67,353.75 : x
  2. Step 2: Convert to fraction form
    123,942.33/171,041.49 = 67,353.75/x
  3. Step 3: Cross multiply
    123,942.33x = 171,041.49 × 67,353.75
  4. Step 4: Simplify right side
    123,942.33x = 11,520,285,757.09
  5. Step 5: Solve for x
    x = 11,520,285,757.09/123,942.33
  6. Step 6: Final answer
    x = 92,948.76

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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.