Home / 56,228.10-84,351.60-16,789.20

Finding the Fourth Proportional to 56,228.10, 84,351.60 and 16,789.20

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Solution

The fourth proportional to 56,228.10, 84,351.60 and 16,789.20 is: 25,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.10 : 84,351.60 = 16,789.20 : x
  2. Step 2: Convert to fraction form
    56,228.10/84,351.60 = 16,789.20/x
  3. Step 3: Cross multiply
    56,228.10x = 84,351.60 × 16,789.20
  4. Step 4: Simplify right side
    56,228.10x = 1,416,195,882.72
  5. Step 5: Solve for x
    x = 1,416,195,882.72/56,228.10
  6. Step 6: Final answer
    x = 25,186.62

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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.