Home / 55,732.56-76,912.20-31,861.44

Finding the Fourth Proportional to 55,732.56, 76,912.20 and 31,861.44

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Solution

The fourth proportional to 55,732.56, 76,912.20 and 31,861.44 is: 43,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.56 : 76,912.20 = 31,861.44 : x
  2. Step 2: Convert to fraction form
    55,732.56/76,912.20 = 31,861.44/x
  3. Step 3: Cross multiply
    55,732.56x = 76,912.20 × 31,861.44
  4. Step 4: Simplify right side
    55,732.56x = 2,450,533,445.57
  5. Step 5: Solve for x
    x = 2,450,533,445.57/55,732.56
  6. Step 6: Final answer
    x = 43,969.51

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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.