Home / 117,678.42-176,516.82-47,556.72

Finding the Fourth Proportional to 117,678.42, 176,516.82 and 47,556.72

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Solution

The fourth proportional to 117,678.42, 176,516.82 and 47,556.72 is: 71,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,678.42 : 176,516.82 = 47,556.72 : x
  2. Step 2: Convert to fraction form
    117,678.42/176,516.82 = 47,556.72/x
  3. Step 3: Cross multiply
    117,678.42x = 176,516.82 × 47,556.72
  4. Step 4: Simplify right side
    117,678.42x = 8,394,560,984.03
  5. Step 5: Solve for x
    x = 8,394,560,984.03/117,678.42
  6. Step 6: Final answer
    x = 71,334.75

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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.