Home / 56,112.70-84,181.20-16,673.80

Finding the Fourth Proportional to 56,112.70, 84,181.20 and 16,673.80

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Solution

The fourth proportional to 56,112.70, 84,181.20 and 16,673.80 is: 25,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,112.70 : 84,181.20 = 16,673.80 : x
  2. Step 2: Convert to fraction form
    56,112.70/84,181.20 = 16,673.80/x
  3. Step 3: Cross multiply
    56,112.70x = 84,181.20 × 16,673.80
  4. Step 4: Simplify right side
    56,112.70x = 1,403,620,492.56
  5. Step 5: Solve for x
    x = 1,403,620,492.56/56,112.70
  6. Step 6: Final answer
    x = 25,014.31

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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.