Home / 74,580.64-111,911.97-35,136.73

Finding the Fourth Proportional to 74,580.64, 111,911.97 and 35,136.73

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Solution

The fourth proportional to 74,580.64, 111,911.97 and 35,136.73 is: 52,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,580.64 : 111,911.97 = 35,136.73 : x
  2. Step 2: Convert to fraction form
    74,580.64/111,911.97 = 35,136.73/x
  3. Step 3: Cross multiply
    74,580.64x = 111,911.97 × 35,136.73
  4. Step 4: Simplify right side
    74,580.64x = 3,932,220,673.66
  5. Step 5: Solve for x
    x = 3,932,220,673.66/74,580.64
  6. Step 6: Final answer
    x = 52,724.42

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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.