Home / 55,076.22-76,002.75-31,202.42

Finding the Fourth Proportional to 55,076.22, 76,002.75 and 31,202.42

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Solution

The fourth proportional to 55,076.22, 76,002.75 and 31,202.42 is: 43,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.22 : 76,002.75 = 31,202.42 : x
  2. Step 2: Convert to fraction form
    55,076.22/76,002.75 = 31,202.42/x
  3. Step 3: Cross multiply
    55,076.22x = 76,002.75 × 31,202.42
  4. Step 4: Simplify right side
    55,076.22x = 2,371,469,346.64
  5. Step 5: Solve for x
    x = 2,371,469,346.64/55,076.22
  6. Step 6: Final answer
    x = 43,057.95

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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.