Home / 74,563.82-102,936.20-57,529.79

Finding the Fourth Proportional to 74,563.82, 102,936.20 and 57,529.79

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Solution

The fourth proportional to 74,563.82, 102,936.20 and 57,529.79 is: 79,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.82 : 102,936.20 = 57,529.79 : x
  2. Step 2: Convert to fraction form
    74,563.82/102,936.20 = 57,529.79/x
  3. Step 3: Cross multiply
    74,563.82x = 102,936.20 × 57,529.79
  4. Step 4: Simplify right side
    74,563.82x = 5,921,897,939.09
  5. Step 5: Solve for x
    x = 5,921,897,939.09/74,563.82
  6. Step 6: Final answer
    x = 79,420.53

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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.