Home / 120,971.88-181,458.09-36,732.69

Finding the Fourth Proportional to 120,971.88, 181,458.09 and 36,732.69

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Solution

The fourth proportional to 120,971.88, 181,458.09 and 36,732.69 is: 55,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,971.88 : 181,458.09 = 36,732.69 : x
  2. Step 2: Convert to fraction form
    120,971.88/181,458.09 = 36,732.69/x
  3. Step 3: Cross multiply
    120,971.88x = 181,458.09 × 36,732.69
  4. Step 4: Simplify right side
    120,971.88x = 6,665,443,767.96
  5. Step 5: Solve for x
    x = 6,665,443,767.96/120,971.88
  6. Step 6: Final answer
    x = 55,099.12

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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.