Home / 72,968.09-100,694.61-41,137.02

Finding the Fourth Proportional to 72,968.09, 100,694.61 and 41,137.02

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Solution

The fourth proportional to 72,968.09, 100,694.61 and 41,137.02 is: 56,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,968.09 : 100,694.61 = 41,137.02 : x
  2. Step 2: Convert to fraction form
    72,968.09/100,694.61 = 41,137.02/x
  3. Step 3: Cross multiply
    72,968.09x = 100,694.61 × 41,137.02
  4. Step 4: Simplify right side
    72,968.09x = 4,142,276,185.46
  5. Step 5: Solve for x
    x = 4,142,276,185.46/72,968.09
  6. Step 6: Final answer
    x = 56,768.33

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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.