Home / 70,004.25-96,608.30-39,790.85

Finding the Fourth Proportional to 70,004.25, 96,608.30 and 39,790.85

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Solution

The fourth proportional to 70,004.25, 96,608.30 and 39,790.85 is: 54,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.25 : 96,608.30 = 39,790.85 : x
  2. Step 2: Convert to fraction form
    70,004.25/96,608.30 = 39,790.85/x
  3. Step 3: Cross multiply
    70,004.25x = 96,608.30 × 39,790.85
  4. Step 4: Simplify right side
    70,004.25x = 3,844,125,692.06
  5. Step 5: Solve for x
    x = 3,844,125,692.06/70,004.25
  6. Step 6: Final answer
    x = 54,912.75

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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.