Home / 63,986.78-95,998.61-19,620.07

Finding the Fourth Proportional to 63,986.78, 95,998.61 and 19,620.07

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Solution

The fourth proportional to 63,986.78, 95,998.61 and 19,620.07 is: 29,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.78 : 95,998.61 = 19,620.07 : x
  2. Step 2: Convert to fraction form
    63,986.78/95,998.61 = 19,620.07/x
  3. Step 3: Cross multiply
    63,986.78x = 95,998.61 × 19,620.07
  4. Step 4: Simplify right side
    63,986.78x = 1,883,499,110.01
  5. Step 5: Solve for x
    x = 1,883,499,110.01/63,986.78
  6. Step 6: Final answer
    x = 29,435.76

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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.