Home / 82,247.30-123,428.55-35,533.70

Finding the Fourth Proportional to 82,247.30, 123,428.55 and 35,533.70

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Solution

The fourth proportional to 82,247.30, 123,428.55 and 35,533.70 is: 53,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.30 : 123,428.55 = 35,533.70 : x
  2. Step 2: Convert to fraction form
    82,247.30/123,428.55 = 35,533.70/x
  3. Step 3: Cross multiply
    82,247.30x = 123,428.55 × 35,533.70
  4. Step 4: Simplify right side
    82,247.30x = 4,385,873,067.14
  5. Step 5: Solve for x
    x = 4,385,873,067.14/82,247.30
  6. Step 6: Final answer
    x = 53,325.44

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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.