Home / 91,996.11-126,958.23-51,709.75

Finding the Fourth Proportional to 91,996.11, 126,958.23 and 51,709.75

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Solution

The fourth proportional to 91,996.11, 126,958.23 and 51,709.75 is: 71,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,996.11 : 126,958.23 = 51,709.75 : x
  2. Step 2: Convert to fraction form
    91,996.11/126,958.23 = 51,709.75/x
  3. Step 3: Cross multiply
    91,996.11x = 126,958.23 × 51,709.75
  4. Step 4: Simplify right side
    91,996.11x = 6,564,978,333.74
  5. Step 5: Solve for x
    x = 6,564,978,333.74/91,996.11
  6. Step 6: Final answer
    x = 71,361.48

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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.