Home / 49,185.90-73,782.89-15,911.30

Finding the Fourth Proportional to 49,185.90, 73,782.89 and 15,911.30

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Solution

The fourth proportional to 49,185.90, 73,782.89 and 15,911.30 is: 23,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,185.90 : 73,782.89 = 15,911.30 : x
  2. Step 2: Convert to fraction form
    49,185.90/73,782.89 = 15,911.30/x
  3. Step 3: Cross multiply
    49,185.90x = 73,782.89 × 15,911.30
  4. Step 4: Simplify right side
    49,185.90x = 1,173,981,697.66
  5. Step 5: Solve for x
    x = 1,173,981,697.66/49,185.90
  6. Step 6: Final answer
    x = 23,868.26

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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.