Home / 74,189.22-111,236.99-40,932.47

Finding the Fourth Proportional to 74,189.22, 111,236.99 and 40,932.47

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Solution

The fourth proportional to 74,189.22, 111,236.99 and 40,932.47 is: 61,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.22 : 111,236.99 = 40,932.47 : x
  2. Step 2: Convert to fraction form
    74,189.22/111,236.99 = 40,932.47/x
  3. Step 3: Cross multiply
    74,189.22x = 111,236.99 × 40,932.47
  4. Step 4: Simplify right side
    74,189.22x = 4,553,203,995.22
  5. Step 5: Solve for x
    x = 4,553,203,995.22/74,189.22
  6. Step 6: Final answer
    x = 61,372.85

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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.