Home / 102,836.20-154,266.30-32,722.60

Finding the Fourth Proportional to 102,836.20, 154,266.30 and 32,722.60

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Solution

The fourth proportional to 102,836.20, 154,266.30 and 32,722.60 is: 49,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,836.20 : 154,266.30 = 32,722.60 : x
  2. Step 2: Convert to fraction form
    102,836.20/154,266.30 = 32,722.60/x
  3. Step 3: Cross multiply
    102,836.20x = 154,266.30 × 32,722.60
  4. Step 4: Simplify right side
    102,836.20x = 5,047,994,428.38
  5. Step 5: Solve for x
    x = 5,047,994,428.38/102,836.20
  6. Step 6: Final answer
    x = 49,087.72

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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.