Home / 120,884.88-181,142.64-50,725.92

Finding the Fourth Proportional to 120,884.88, 181,142.64 and 50,725.92

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Solution

The fourth proportional to 120,884.88, 181,142.64 and 50,725.92 is: 76,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,884.88 : 181,142.64 = 50,725.92 : x
  2. Step 2: Convert to fraction form
    120,884.88/181,142.64 = 50,725.92/x
  3. Step 3: Cross multiply
    120,884.88x = 181,142.64 × 50,725.92
  4. Step 4: Simplify right side
    120,884.88x = 9,188,627,065.23
  5. Step 5: Solve for x
    x = 9,188,627,065.23/120,884.88
  6. Step 6: Final answer
    x = 76,011.38

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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.