Home / 58,716.72-81,028.08-33,222.78

Finding the Fourth Proportional to 58,716.72, 81,028.08 and 33,222.78

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Solution

The fourth proportional to 58,716.72, 81,028.08 and 33,222.78 is: 45,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.72 : 81,028.08 = 33,222.78 : x
  2. Step 2: Convert to fraction form
    58,716.72/81,028.08 = 33,222.78/x
  3. Step 3: Cross multiply
    58,716.72x = 81,028.08 × 33,222.78
  4. Step 4: Simplify right side
    58,716.72x = 2,691,978,075.66
  5. Step 5: Solve for x
    x = 2,691,978,075.66/58,716.72
  6. Step 6: Final answer
    x = 45,846.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.