Home / 53,555.88-80,345.06-16,118.70

Finding the Fourth Proportional to 53,555.88, 80,345.06 and 16,118.70

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Solution

The fourth proportional to 53,555.88, 80,345.06 and 16,118.70 is: 24,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.88 : 80,345.06 = 16,118.70 : x
  2. Step 2: Convert to fraction form
    53,555.88/80,345.06 = 16,118.70/x
  3. Step 3: Cross multiply
    53,555.88x = 80,345.06 × 16,118.70
  4. Step 4: Simplify right side
    53,555.88x = 1,295,057,687.85
  5. Step 5: Solve for x
    x = 1,295,057,687.85/53,555.88
  6. Step 6: Final answer
    x = 24,181.43

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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.