Home / 55,489.76-76,576.25-29,996.12

Finding the Fourth Proportional to 55,489.76, 76,576.25 and 29,996.12

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Solution

The fourth proportional to 55,489.76, 76,576.25 and 29,996.12 is: 41,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.76 : 76,576.25 = 29,996.12 : x
  2. Step 2: Convert to fraction form
    55,489.76/76,576.25 = 29,996.12/x
  3. Step 3: Cross multiply
    55,489.76x = 76,576.25 × 29,996.12
  4. Step 4: Simplify right side
    55,489.76x = 2,296,990,650.58
  5. Step 5: Solve for x
    x = 2,296,990,650.58/55,489.76
  6. Step 6: Final answer
    x = 41,394.86

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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.