Home / 50,929.76-76,311.61-31,166.80

Finding the Fourth Proportional to 50,929.76, 76,311.61 and 31,166.80

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Solution

The fourth proportional to 50,929.76, 76,311.61 and 31,166.80 is: 46,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.76 : 76,311.61 = 31,166.80 : x
  2. Step 2: Convert to fraction form
    50,929.76/76,311.61 = 31,166.80/x
  3. Step 3: Cross multiply
    50,929.76x = 76,311.61 × 31,166.80
  4. Step 4: Simplify right side
    50,929.76x = 2,378,388,588.65
  5. Step 5: Solve for x
    x = 2,378,388,588.65/50,929.76
  6. Step 6: Final answer
    x = 46,699.39

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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.