Home / 76,127.54-114,202.84-55,225.31

Finding the Fourth Proportional to 76,127.54, 114,202.84 and 55,225.31

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Solution

The fourth proportional to 76,127.54, 114,202.84 and 55,225.31 is: 82,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127.54 : 114,202.84 = 55,225.31 : x
  2. Step 2: Convert to fraction form
    76,127.54/114,202.84 = 55,225.31/x
  3. Step 3: Cross multiply
    76,127.54x = 114,202.84 × 55,225.31
  4. Step 4: Simplify right side
    76,127.54x = 6,306,887,241.88
  5. Step 5: Solve for x
    x = 6,306,887,241.88/76,127.54
  6. Step 6: Final answer
    x = 82,846.33

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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.