Home / 130,629.47-195,919.60-50,667.29

Finding the Fourth Proportional to 130,629.47, 195,919.60 and 50,667.29

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Solution

The fourth proportional to 130,629.47, 195,919.60 and 50,667.29 is: 75,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.47 : 195,919.60 = 50,667.29 : x
  2. Step 2: Convert to fraction form
    130,629.47/195,919.60 = 50,667.29/x
  3. Step 3: Cross multiply
    130,629.47x = 195,919.60 × 50,667.29
  4. Step 4: Simplify right side
    130,629.47x = 9,926,714,273.62
  5. Step 5: Solve for x
    x = 9,926,714,273.62/130,629.47
  6. Step 6: Final answer
    x = 75,991.38

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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.