Home / 45,173.68-67,760.96-18,512.82

Finding the Fourth Proportional to 45,173.68, 67,760.96 and 18,512.82

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Solution

The fourth proportional to 45,173.68, 67,760.96 and 18,512.82 is: 27,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,173.68 : 67,760.96 = 18,512.82 : x
  2. Step 2: Convert to fraction form
    45,173.68/67,760.96 = 18,512.82/x
  3. Step 3: Cross multiply
    45,173.68x = 67,760.96 × 18,512.82
  4. Step 4: Simplify right side
    45,173.68x = 1,254,446,362.94
  5. Step 5: Solve for x
    x = 1,254,446,362.94/45,173.68
  6. Step 6: Final answer
    x = 27,769.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.