Home / 74,661.90-111,879.45-54,846.06

Finding the Fourth Proportional to 74,661.90, 111,879.45 and 54,846.06

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Solution

The fourth proportional to 74,661.90, 111,879.45 and 54,846.06 is: 82,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.90 : 111,879.45 = 54,846.06 : x
  2. Step 2: Convert to fraction form
    74,661.90/111,879.45 = 54,846.06/x
  3. Step 3: Cross multiply
    74,661.90x = 111,879.45 × 54,846.06
  4. Step 4: Simplify right side
    74,661.90x = 6,136,147,027.47
  5. Step 5: Solve for x
    x = 6,136,147,027.47/74,661.90
  6. Step 6: Final answer
    x = 82,185.79

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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.