Home / 49,586.09-74,379.15-12,650.09

Finding the Fourth Proportional to 49,586.09, 74,379.15 and 12,650.09

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Solution

The fourth proportional to 49,586.09, 74,379.15 and 12,650.09 is: 18,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,586.09 : 74,379.15 = 12,650.09 : x
  2. Step 2: Convert to fraction form
    49,586.09/74,379.15 = 12,650.09/x
  3. Step 3: Cross multiply
    49,586.09x = 74,379.15 × 12,650.09
  4. Step 4: Simplify right side
    49,586.09x = 940,902,941.62
  5. Step 5: Solve for x
    x = 940,902,941.62/49,586.09
  6. Step 6: Final answer
    x = 18,975.14

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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.