Home / 54,418.80-81,628.20-36,704.10

Finding the Fourth Proportional to 54,418.80, 81,628.20 and 36,704.10

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Solution

The fourth proportional to 54,418.80, 81,628.20 and 36,704.10 is: 55,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.80 : 81,628.20 = 36,704.10 : x
  2. Step 2: Convert to fraction form
    54,418.80/81,628.20 = 36,704.10/x
  3. Step 3: Cross multiply
    54,418.80x = 81,628.20 × 36,704.10
  4. Step 4: Simplify right side
    54,418.80x = 2,996,089,615.62
  5. Step 5: Solve for x
    x = 2,996,089,615.62/54,418.80
  6. Step 6: Final answer
    x = 55,056.15

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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.