Home / 121,981.63-182,926.94-41,997.01

Finding the Fourth Proportional to 121,981.63, 182,926.94 and 41,997.01

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Solution

The fourth proportional to 121,981.63, 182,926.94 and 41,997.01 is: 62,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,981.63 : 182,926.94 = 41,997.01 : x
  2. Step 2: Convert to fraction form
    121,981.63/182,926.94 = 41,997.01/x
  3. Step 3: Cross multiply
    121,981.63x = 182,926.94 × 41,997.01
  4. Step 4: Simplify right side
    121,981.63x = 7,682,384,103.06
  5. Step 5: Solve for x
    x = 7,682,384,103.06/121,981.63
  6. Step 6: Final answer
    x = 62,979.84

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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.