Home / 52,163.68-71,995.08-30,954.64

Finding the Fourth Proportional to 52,163.68, 71,995.08 and 30,954.64

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Solution

The fourth proportional to 52,163.68, 71,995.08 and 30,954.64 is: 42,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163.68 : 71,995.08 = 30,954.64 : x
  2. Step 2: Convert to fraction form
    52,163.68/71,995.08 = 30,954.64/x
  3. Step 3: Cross multiply
    52,163.68x = 71,995.08 × 30,954.64
  4. Step 4: Simplify right side
    52,163.68x = 2,228,581,783.17
  5. Step 5: Solve for x
    x = 2,228,581,783.17/52,163.68
  6. Step 6: Final answer
    x = 42,722.86

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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.