Home / 48,939.90-73,419.03-16,917.36

Finding the Fourth Proportional to 48,939.90, 73,419.03 and 16,917.36

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Solution

The fourth proportional to 48,939.90, 73,419.03 and 16,917.36 is: 25,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.90 : 73,419.03 = 16,917.36 : x
  2. Step 2: Convert to fraction form
    48,939.90/73,419.03 = 16,917.36/x
  3. Step 3: Cross multiply
    48,939.90x = 73,419.03 × 16,917.36
  4. Step 4: Simplify right side
    48,939.90x = 1,242,056,161.36
  5. Step 5: Solve for x
    x = 1,242,056,161.36/48,939.90
  6. Step 6: Final answer
    x = 25,379.21

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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.