Home / 120,886.92-181,145.64-50,727.96

Finding the Fourth Proportional to 120,886.92, 181,145.64 and 50,727.96

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Solution

The fourth proportional to 120,886.92, 181,145.64 and 50,727.96 is: 76,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.92 : 181,145.64 = 50,727.96 : x
  2. Step 2: Convert to fraction form
    120,886.92/181,145.64 = 50,727.96/x
  3. Step 3: Cross multiply
    120,886.92x = 181,145.64 × 50,727.96
  4. Step 4: Simplify right side
    120,886.92x = 9,189,148,780.09
  5. Step 5: Solve for x
    x = 9,189,148,780.09/120,886.92
  6. Step 6: Final answer
    x = 76,014.42

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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.