Home / 74,343.22-111,369.03-43,112.86

Finding the Fourth Proportional to 74,343.22, 111,369.03 and 43,112.86

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Solution

The fourth proportional to 74,343.22, 111,369.03 and 43,112.86 is: 64,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.22 : 111,369.03 = 43,112.86 : x
  2. Step 2: Convert to fraction form
    74,343.22/111,369.03 = 43,112.86/x
  3. Step 3: Cross multiply
    74,343.22x = 111,369.03 × 43,112.86
  4. Step 4: Simplify right side
    74,343.22x = 4,801,437,398.73
  5. Step 5: Solve for x
    x = 4,801,437,398.73/74,343.22
  6. Step 6: Final answer
    x = 64,584.74

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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.