Home / 73,212.03-109,845.37-28,869.69

Finding the Fourth Proportional to 73,212.03, 109,845.37 and 28,869.69

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Solution

The fourth proportional to 73,212.03, 109,845.37 and 28,869.69 is: 43,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212.03 : 109,845.37 = 28,869.69 : x
  2. Step 2: Convert to fraction form
    73,212.03/109,845.37 = 28,869.69/x
  3. Step 3: Cross multiply
    73,212.03x = 109,845.37 × 28,869.69
  4. Step 4: Simplify right side
    73,212.03x = 3,171,201,779.84
  5. Step 5: Solve for x
    x = 3,171,201,779.84/73,212.03
  6. Step 6: Final answer
    x = 43,315.31

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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.