Home / 71,014.25-97,999.61-39,183.15

Finding the Fourth Proportional to 71,014.25, 97,999.61 and 39,183.15

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Solution

The fourth proportional to 71,014.25, 97,999.61 and 39,183.15 is: 54,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.25 : 97,999.61 = 39,183.15 : x
  2. Step 2: Convert to fraction form
    71,014.25/97,999.61 = 39,183.15/x
  3. Step 3: Cross multiply
    71,014.25x = 97,999.61 × 39,183.15
  4. Step 4: Simplify right side
    71,014.25x = 3,839,933,222.66
  5. Step 5: Solve for x
    x = 3,839,933,222.66/71,014.25
  6. Step 6: Final answer
    x = 54,072.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.