Home / 69,704.44-96,188.98-39,489.15

Finding the Fourth Proportional to 69,704.44, 96,188.98 and 39,489.15

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Solution

The fourth proportional to 69,704.44, 96,188.98 and 39,489.15 is: 54,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.44 : 96,188.98 = 39,489.15 : x
  2. Step 2: Convert to fraction form
    69,704.44/96,188.98 = 39,489.15/x
  3. Step 3: Cross multiply
    69,704.44x = 96,188.98 × 39,489.15
  4. Step 4: Simplify right side
    69,704.44x = 3,798,421,059.57
  5. Step 5: Solve for x
    x = 3,798,421,059.57/69,704.44
  6. Step 6: Final answer
    x = 54,493.24

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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.