Home / 107,991.42-162,018.21-33,122.55

Finding the Fourth Proportional to 107,991.42, 162,018.21 and 33,122.55

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Solution

The fourth proportional to 107,991.42, 162,018.21 and 33,122.55 is: 49,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,991.42 : 162,018.21 = 33,122.55 : x
  2. Step 2: Convert to fraction form
    107,991.42/162,018.21 = 33,122.55/x
  3. Step 3: Cross multiply
    107,991.42x = 162,018.21 × 33,122.55
  4. Step 4: Simplify right side
    107,991.42x = 5,366,456,261.64
  5. Step 5: Solve for x
    x = 5,366,456,261.64/107,991.42
  6. Step 6: Final answer
    x = 49,693.36

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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.