Home / 56,997.09-85,497.38-19,556.64

Finding the Fourth Proportional to 56,997.09, 85,497.38 and 19,556.64

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Solution

The fourth proportional to 56,997.09, 85,497.38 and 19,556.64 is: 29,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.09 : 85,497.38 = 19,556.64 : x
  2. Step 2: Convert to fraction form
    56,997.09/85,497.38 = 19,556.64/x
  3. Step 3: Cross multiply
    56,997.09x = 85,497.38 × 19,556.64
  4. Step 4: Simplify right side
    56,997.09x = 1,672,041,481.60
  5. Step 5: Solve for x
    x = 1,672,041,481.60/56,997.09
  6. Step 6: Final answer
    x = 29,335.56

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1.5x scale

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.