Home / 117,795.72-176,668.20-38,891.28

Finding the Fourth Proportional to 117,795.72, 176,668.20 and 38,891.28

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Solution

The fourth proportional to 117,795.72, 176,668.20 and 38,891.28 is: 58,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,795.72 : 176,668.20 = 38,891.28 : x
  2. Step 2: Convert to fraction form
    117,795.72/176,668.20 = 38,891.28/x
  3. Step 3: Cross multiply
    117,795.72x = 176,668.20 × 38,891.28
  4. Step 4: Simplify right side
    117,795.72x = 6,870,852,433.30
  5. Step 5: Solve for x
    x = 6,870,852,433.30/117,795.72
  6. Step 6: Final answer
    x = 58,328.54

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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.