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Finding the Fourth Proportional to 73,111.87, 100,894.26 and 39,577.87

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Solution

The fourth proportional to 73,111.87, 100,894.26 and 39,577.87 is: 54,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,111.87 : 100,894.26 = 39,577.87 : x
  2. Step 2: Convert to fraction form
    73,111.87/100,894.26 = 39,577.87/x
  3. Step 3: Cross multiply
    73,111.87x = 100,894.26 × 39,577.87
  4. Step 4: Simplify right side
    73,111.87x = 3,993,179,906.03
  5. Step 5: Solve for x
    x = 3,993,179,906.03/73,111.87
  6. Step 6: Final answer
    x = 54,617.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.