Home / 50,419.60-75,629.40-17,177.20

Finding the Fourth Proportional to 50,419.60, 75,629.40 and 17,177.20

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Solution

The fourth proportional to 50,419.60, 75,629.40 and 17,177.20 is: 25,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419.60 : 75,629.40 = 17,177.20 : x
  2. Step 2: Convert to fraction form
    50,419.60/75,629.40 = 17,177.20/x
  3. Step 3: Cross multiply
    50,419.60x = 75,629.40 × 17,177.20
  4. Step 4: Simplify right side
    50,419.60x = 1,299,101,329.68
  5. Step 5: Solve for x
    x = 1,299,101,329.68/50,419.60
  6. Step 6: Final answer
    x = 25,765.80

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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.