Home / 54,242.48-81,371.45-16,805.50

Finding the Fourth Proportional to 54,242.48, 81,371.45 and 16,805.50

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Solution

The fourth proportional to 54,242.48, 81,371.45 and 16,805.50 is: 25,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.48 : 81,371.45 = 16,805.50 : x
  2. Step 2: Convert to fraction form
    54,242.48/81,371.45 = 16,805.50/x
  3. Step 3: Cross multiply
    54,242.48x = 81,371.45 × 16,805.50
  4. Step 4: Simplify right side
    54,242.48x = 1,367,487,741.56
  5. Step 5: Solve for x
    x = 1,367,487,741.56/54,242.48
  6. Step 6: Final answer
    x = 25,210.64

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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.