Home / 103,074.94-154,634.46-31,996.09

Finding the Fourth Proportional to 103,074.94, 154,634.46 and 31,996.09

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Solution

The fourth proportional to 103,074.94, 154,634.46 and 31,996.09 is: 48,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,074.94 : 154,634.46 = 31,996.09 : x
  2. Step 2: Convert to fraction form
    103,074.94/154,634.46 = 31,996.09/x
  3. Step 3: Cross multiply
    103,074.94x = 154,634.46 × 31,996.09
  4. Step 4: Simplify right side
    103,074.94x = 4,947,698,099.26
  5. Step 5: Solve for x
    x = 4,947,698,099.26/103,074.94
  6. Step 6: Final answer
    x = 48,000.98

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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.