Home / 43,703.20-65,511.60-17,372.80

Finding the Fourth Proportional to 43,703.20, 65,511.60 and 17,372.80

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Solution

The fourth proportional to 43,703.20, 65,511.60 and 17,372.80 is: 26,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.20 : 65,511.60 = 17,372.80 : x
  2. Step 2: Convert to fraction form
    43,703.20/65,511.60 = 17,372.80/x
  3. Step 3: Cross multiply
    43,703.20x = 65,511.60 × 17,372.80
  4. Step 4: Simplify right side
    43,703.20x = 1,138,119,924.48
  5. Step 5: Solve for x
    x = 1,138,119,924.48/43,703.20
  6. Step 6: Final answer
    x = 26,042.03

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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.