Home / 72,563.44-100,137.36-40,735.48

Finding the Fourth Proportional to 72,563.44, 100,137.36 and 40,735.48

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Solution

The fourth proportional to 72,563.44, 100,137.36 and 40,735.48 is: 56,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,563.44 : 100,137.36 = 40,735.48 : x
  2. Step 2: Convert to fraction form
    72,563.44/100,137.36 = 40,735.48/x
  3. Step 3: Cross multiply
    72,563.44x = 100,137.36 × 40,735.48
  4. Step 4: Simplify right side
    72,563.44x = 4,079,143,425.53
  5. Step 5: Solve for x
    x = 4,079,143,425.53/72,563.44
  6. Step 6: Final answer
    x = 56,214.86

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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.