Home / 102,932.20-154,283.10-43,757.80

Finding the Fourth Proportional to 102,932.20, 154,283.10 and 43,757.80

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Solution

The fourth proportional to 102,932.20, 154,283.10 and 43,757.80 is: 65,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,932.20 : 154,283.10 = 43,757.80 : x
  2. Step 2: Convert to fraction form
    102,932.20/154,283.10 = 43,757.80/x
  3. Step 3: Cross multiply
    102,932.20x = 154,283.10 × 43,757.80
  4. Step 4: Simplify right side
    102,932.20x = 6,751,089,033.18
  5. Step 5: Solve for x
    x = 6,751,089,033.18/102,932.20
  6. Step 6: Final answer
    x = 65,587.73

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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.