Home / 71,028.89-106,515.50-26,631.44

Finding the Fourth Proportional to 71,028.89, 106,515.50 and 26,631.44

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Solution

The fourth proportional to 71,028.89, 106,515.50 and 26,631.44 is: 39,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.89 : 106,515.50 = 26,631.44 : x
  2. Step 2: Convert to fraction form
    71,028.89/106,515.50 = 26,631.44/x
  3. Step 3: Cross multiply
    71,028.89x = 106,515.50 × 26,631.44
  4. Step 4: Simplify right side
    71,028.89x = 2,836,660,481.59
  5. Step 5: Solve for x
    x = 2,836,660,481.59/71,028.89
  6. Step 6: Final answer
    x = 39,936.72

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1.5x scale

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.