Home / 49,903.96-68,867.46-28,687.36

Finding the Fourth Proportional to 49,903.96, 68,867.46 and 28,687.36

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Solution

The fourth proportional to 49,903.96, 68,867.46 and 28,687.36 is: 39,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.96 : 68,867.46 = 28,687.36 : x
  2. Step 2: Convert to fraction form
    49,903.96/68,867.46 = 28,687.36/x
  3. Step 3: Cross multiply
    49,903.96x = 68,867.46 × 28,687.36
  4. Step 4: Simplify right side
    49,903.96x = 1,975,625,617.31
  5. Step 5: Solve for x
    x = 1,975,625,617.31/49,903.96
  6. Step 6: Final answer
    x = 39,588.55

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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.