Home / 69,900.77-104,747.48-51,342.05

Finding the Fourth Proportional to 69,900.77, 104,747.48 and 51,342.05

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Solution

The fourth proportional to 69,900.77, 104,747.48 and 51,342.05 is: 76,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.77 : 104,747.48 = 51,342.05 : x
  2. Step 2: Convert to fraction form
    69,900.77/104,747.48 = 51,342.05/x
  3. Step 3: Cross multiply
    69,900.77x = 104,747.48 × 51,342.05
  4. Step 4: Simplify right side
    69,900.77x = 5,377,949,575.09
  5. Step 5: Solve for x
    x = 5,377,949,575.09/69,900.77
  6. Step 6: Final answer
    x = 76,936.92

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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.