Home / 76,187.89-114,305.24-34,103.44

Finding the Fourth Proportional to 76,187.89, 114,305.24 and 34,103.44

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Solution

The fourth proportional to 76,187.89, 114,305.24 and 34,103.44 is: 51,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.89 : 114,305.24 = 34,103.44 : x
  2. Step 2: Convert to fraction form
    76,187.89/114,305.24 = 34,103.44/x
  3. Step 3: Cross multiply
    76,187.89x = 114,305.24 × 34,103.44
  4. Step 4: Simplify right side
    76,187.89x = 3,898,201,894.03
  5. Step 5: Solve for x
    x = 3,898,201,894.03/76,187.89
  6. Step 6: Final answer
    x = 51,165.64

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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.