Home / 56,108.70-84,175.20-16,669.80

Finding the Fourth Proportional to 56,108.70, 84,175.20 and 16,669.80

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Solution

The fourth proportional to 56,108.70, 84,175.20 and 16,669.80 is: 25,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108.70 : 84,175.20 = 16,669.80 : x
  2. Step 2: Convert to fraction form
    56,108.70/84,175.20 = 16,669.80/x
  3. Step 3: Cross multiply
    56,108.70x = 84,175.20 × 16,669.80
  4. Step 4: Simplify right side
    56,108.70x = 1,403,183,748.96
  5. Step 5: Solve for x
    x = 1,403,183,748.96/56,108.70
  6. Step 6: Final answer
    x = 25,008.31

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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.