Home / 71,455.20-98,608.44-39,627.04

Finding the Fourth Proportional to 71,455.20, 98,608.44 and 39,627.04

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Solution

The fourth proportional to 71,455.20, 98,608.44 and 39,627.04 is: 54,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,455.20 : 98,608.44 = 39,627.04 : x
  2. Step 2: Convert to fraction form
    71,455.20/98,608.44 = 39,627.04/x
  3. Step 3: Cross multiply
    71,455.20x = 98,608.44 × 39,627.04
  4. Step 4: Simplify right side
    71,455.20x = 3,907,560,596.22
  5. Step 5: Solve for x
    x = 3,907,560,596.22/71,455.20
  6. Step 6: Final answer
    x = 54,685.46

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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.