Home / 49,816.40-68,744.09-28,303.31

Finding the Fourth Proportional to 49,816.40, 68,744.09 and 28,303.31

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Solution

The fourth proportional to 49,816.40, 68,744.09 and 28,303.31 is: 39,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816.40 : 68,744.09 = 28,303.31 : x
  2. Step 2: Convert to fraction form
    49,816.40/68,744.09 = 28,303.31/x
  3. Step 3: Cross multiply
    49,816.40x = 68,744.09 × 28,303.31
  4. Step 4: Simplify right side
    49,816.40x = 1,945,685,532.56
  5. Step 5: Solve for x
    x = 1,945,685,532.56/49,816.40
  6. Step 6: Final answer
    x = 39,057.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.