Home / 74,201.78-102,380.09-43,994.18

Finding the Fourth Proportional to 74,201.78, 102,380.09 and 43,994.18

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Solution

The fourth proportional to 74,201.78, 102,380.09 and 43,994.18 is: 60,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.78 : 102,380.09 = 43,994.18 : x
  2. Step 2: Convert to fraction form
    74,201.78/102,380.09 = 43,994.18/x
  3. Step 3: Cross multiply
    74,201.78x = 102,380.09 × 43,994.18
  4. Step 4: Simplify right side
    74,201.78x = 4,504,128,107.88
  5. Step 5: Solve for x
    x = 4,504,128,107.88/74,201.78
  6. Step 6: Final answer
    x = 60,701.08

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1.5x scale

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.