Home / 65,940.09-90,997.34-35,725.62

Finding the Fourth Proportional to 65,940.09, 90,997.34 and 35,725.62

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Solution

The fourth proportional to 65,940.09, 90,997.34 and 35,725.62 is: 49,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940.09 : 90,997.34 = 35,725.62 : x
  2. Step 2: Convert to fraction form
    65,940.09/90,997.34 = 35,725.62/x
  3. Step 3: Cross multiply
    65,940.09x = 90,997.34 × 35,725.62
  4. Step 4: Simplify right side
    65,940.09x = 3,250,936,211.22
  5. Step 5: Solve for x
    x = 3,250,936,211.22/65,940.09
  6. Step 6: Final answer
    x = 49,301.36

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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.