Home / 76,629.58-114,939.60-36,676.94

Finding the Fourth Proportional to 76,629.58, 114,939.60 and 36,676.94

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Solution

The fourth proportional to 76,629.58, 114,939.60 and 36,676.94 is: 55,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629.58 : 114,939.60 = 36,676.94 : x
  2. Step 2: Convert to fraction form
    76,629.58/114,939.60 = 36,676.94/x
  3. Step 3: Cross multiply
    76,629.58x = 114,939.60 × 36,676.94
  4. Step 4: Simplify right side
    76,629.58x = 4,215,632,812.82
  5. Step 5: Solve for x
    x = 4,215,632,812.82/76,629.58
  6. Step 6: Final answer
    x = 55,013.13

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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.