Home / 76,764.01-115,096.83-53,005

Finding the Fourth Proportional to 76,764.01, 115,096.83 and 53,005

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Solution

The fourth proportional to 76,764.01, 115,096.83 and 53,005 is: 79,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.01 : 115,096.83 = 53,005 : x
  2. Step 2: Convert to fraction form
    76,764.01/115,096.83 = 53,005/x
  3. Step 3: Cross multiply
    76,764.01x = 115,096.83 × 53,005
  4. Step 4: Simplify right side
    76,764.01x = 6,100,707,474.15
  5. Step 5: Solve for x
    x = 6,100,707,474.15/76,764.01
  6. Step 6: Final answer
    x = 79,473.54

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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.