Home / 69,450.06-95,836.11-40,770.90

Finding the Fourth Proportional to 69,450.06, 95,836.11 and 40,770.90

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Solution

The fourth proportional to 69,450.06, 95,836.11 and 40,770.90 is: 56,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.06 : 95,836.11 = 40,770.90 : x
  2. Step 2: Convert to fraction form
    69,450.06/95,836.11 = 40,770.90/x
  3. Step 3: Cross multiply
    69,450.06x = 95,836.11 × 40,770.90
  4. Step 4: Simplify right side
    69,450.06x = 3,907,324,457.20
  5. Step 5: Solve for x
    x = 3,907,324,457.20/69,450.06
  6. Step 6: Final answer
    x = 56,260.92

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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.