Home / 49,635.02-68,512.30-31,778.12

Finding the Fourth Proportional to 49,635.02, 68,512.30 and 31,778.12

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Solution

The fourth proportional to 49,635.02, 68,512.30 and 31,778.12 is: 43,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,635.02 : 68,512.30 = 31,778.12 : x
  2. Step 2: Convert to fraction form
    49,635.02/68,512.30 = 31,778.12/x
  3. Step 3: Cross multiply
    49,635.02x = 68,512.30 × 31,778.12
  4. Step 4: Simplify right side
    49,635.02x = 2,177,192,090.88
  5. Step 5: Solve for x
    x = 2,177,192,090.88/49,635.02
  6. Step 6: Final answer
    x = 43,864.03

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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.