Home / 84,448.38-126,458.24-50,693.40

Finding the Fourth Proportional to 84,448.38, 126,458.24 and 50,693.40

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Solution

The fourth proportional to 84,448.38, 126,458.24 and 50,693.40 is: 75,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,448.38 : 126,458.24 = 50,693.40 : x
  2. Step 2: Convert to fraction form
    84,448.38/126,458.24 = 50,693.40/x
  3. Step 3: Cross multiply
    84,448.38x = 126,458.24 × 50,693.40
  4. Step 4: Simplify right side
    84,448.38x = 6,410,598,143.62
  5. Step 5: Solve for x
    x = 6,410,598,143.62/84,448.38
  6. Step 6: Final answer
    x = 75,911.44

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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.