Home / 76,512.58-114,772.72-54,262.42

Finding the Fourth Proportional to 76,512.58, 114,772.72 and 54,262.42

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Solution

The fourth proportional to 76,512.58, 114,772.72 and 54,262.42 is: 81,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.58 : 114,772.72 = 54,262.42 : x
  2. Step 2: Convert to fraction form
    76,512.58/114,772.72 = 54,262.42/x
  3. Step 3: Cross multiply
    76,512.58x = 114,772.72 × 54,262.42
  4. Step 4: Simplify right side
    76,512.58x = 6,227,845,537.18
  5. Step 5: Solve for x
    x = 6,227,845,537.18/76,512.58
  6. Step 6: Final answer
    x = 81,396.36

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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.