Home / 74,060.82-102,201.39-42,239.97

Finding the Fourth Proportional to 74,060.82, 102,201.39 and 42,239.97

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Solution

The fourth proportional to 74,060.82, 102,201.39 and 42,239.97 is: 58,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.82 : 102,201.39 = 42,239.97 : x
  2. Step 2: Convert to fraction form
    74,060.82/102,201.39 = 42,239.97/x
  3. Step 3: Cross multiply
    74,060.82x = 102,201.39 × 42,239.97
  4. Step 4: Simplify right side
    74,060.82x = 4,316,983,647.56
  5. Step 5: Solve for x
    x = 4,316,983,647.56/74,060.82
  6. Step 6: Final answer
    x = 58,289.71

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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.