Home / 76,189.44-114,302.40-31,791.56

Finding the Fourth Proportional to 76,189.44, 114,302.40 and 31,791.56

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Solution

The fourth proportional to 76,189.44, 114,302.40 and 31,791.56 is: 47,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,189.44 : 114,302.40 = 31,791.56 : x
  2. Step 2: Convert to fraction form
    76,189.44/114,302.40 = 31,791.56/x
  3. Step 3: Cross multiply
    76,189.44x = 114,302.40 × 31,791.56
  4. Step 4: Simplify right side
    76,189.44x = 3,633,851,607.74
  5. Step 5: Solve for x
    x = 3,633,851,607.74/76,189.44
  6. Step 6: Final answer
    x = 47,694.95

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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.