Home / 76,735.37-115,027.88-36,743.06

Finding the Fourth Proportional to 76,735.37, 115,027.88 and 36,743.06

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Solution

The fourth proportional to 76,735.37, 115,027.88 and 36,743.06 is: 55,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,735.37 : 115,027.88 = 36,743.06 : x
  2. Step 2: Convert to fraction form
    76,735.37/115,027.88 = 36,743.06/x
  3. Step 3: Cross multiply
    76,735.37x = 115,027.88 × 36,743.06
  4. Step 4: Simplify right side
    76,735.37x = 4,226,475,537.66
  5. Step 5: Solve for x
    x = 4,226,475,537.66/76,735.37
  6. Step 6: Final answer
    x = 55,078.59

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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.