Home / 91,450.89-126,205.11-51,164.96

Finding the Fourth Proportional to 91,450.89, 126,205.11 and 51,164.96

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Solution

The fourth proportional to 91,450.89, 126,205.11 and 51,164.96 is: 70,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.89 : 126,205.11 = 51,164.96 : x
  2. Step 2: Convert to fraction form
    91,450.89/126,205.11 = 51,164.96/x
  3. Step 3: Cross multiply
    91,450.89x = 126,205.11 × 51,164.96
  4. Step 4: Simplify right side
    91,450.89x = 6,457,278,773.92
  5. Step 5: Solve for x
    x = 6,457,278,773.92/91,450.89
  6. Step 6: Final answer
    x = 70,609.25

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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.