Home / 73,938.81-110,917.41-28,954.36

Finding the Fourth Proportional to 73,938.81, 110,917.41 and 28,954.36

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Solution

The fourth proportional to 73,938.81, 110,917.41 and 28,954.36 is: 43,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,938.81 : 110,917.41 = 28,954.36 : x
  2. Step 2: Convert to fraction form
    73,938.81/110,917.41 = 28,954.36/x
  3. Step 3: Cross multiply
    73,938.81x = 110,917.41 × 28,954.36
  4. Step 4: Simplify right side
    73,938.81x = 3,211,542,619.41
  5. Step 5: Solve for x
    x = 3,211,542,619.41/73,938.81
  6. Step 6: Final answer
    x = 43,435.14

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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.