Home / 65,844.98-90,865.38-35,629.64

Finding the Fourth Proportional to 65,844.98, 90,865.38 and 35,629.64

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Solution

The fourth proportional to 65,844.98, 90,865.38 and 35,629.64 is: 49,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,844.98 : 90,865.38 = 35,629.64 : x
  2. Step 2: Convert to fraction form
    65,844.98/90,865.38 = 35,629.64/x
  3. Step 3: Cross multiply
    65,844.98x = 90,865.38 × 35,629.64
  4. Step 4: Simplify right side
    65,844.98x = 3,237,500,777.86
  5. Step 5: Solve for x
    x = 3,237,500,777.86/65,844.98
  6. Step 6: Final answer
    x = 49,168.53

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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.