Home / 57,767.40-86,586.30-29,676.60

Finding the Fourth Proportional to 57,767.40, 86,586.30 and 29,676.60

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Solution

The fourth proportional to 57,767.40, 86,586.30 and 29,676.60 is: 44,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.40 : 86,586.30 = 29,676.60 : x
  2. Step 2: Convert to fraction form
    57,767.40/86,586.30 = 29,676.60/x
  3. Step 3: Cross multiply
    57,767.40x = 86,586.30 × 29,676.60
  4. Step 4: Simplify right side
    57,767.40x = 2,569,586,990.58
  5. Step 5: Solve for x
    x = 2,569,586,990.58/57,767.40
  6. Step 6: Final answer
    x = 44,481.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.