Home / 62,775.62-94,177.32-20,668.68

Finding the Fourth Proportional to 62,775.62, 94,177.32 and 20,668.68

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Solution

The fourth proportional to 62,775.62, 94,177.32 and 20,668.68 is: 31,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,775.62 : 94,177.32 = 20,668.68 : x
  2. Step 2: Convert to fraction form
    62,775.62/94,177.32 = 20,668.68/x
  3. Step 3: Cross multiply
    62,775.62x = 94,177.32 × 20,668.68
  4. Step 4: Simplify right side
    62,775.62x = 1,946,520,890.34
  5. Step 5: Solve for x
    x = 1,946,520,890.34/62,775.62
  6. Step 6: Final answer
    x = 31,007.59

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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.