Home / 75,997.06-114,028.38-40,929.70

Finding the Fourth Proportional to 75,997.06, 114,028.38 and 40,929.70

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Solution

The fourth proportional to 75,997.06, 114,028.38 and 40,929.70 is: 61,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,997.06 : 114,028.38 = 40,929.70 : x
  2. Step 2: Convert to fraction form
    75,997.06/114,028.38 = 40,929.70/x
  3. Step 3: Cross multiply
    75,997.06x = 114,028.38 × 40,929.70
  4. Step 4: Simplify right side
    75,997.06x = 4,667,147,384.89
  5. Step 5: Solve for x
    x = 4,667,147,384.89/75,997.06
  6. Step 6: Final answer
    x = 61,412.21

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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.