Home / 50,221.96-69,301.26-30,078.33

Finding the Fourth Proportional to 50,221.96, 69,301.26 and 30,078.33

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Solution

The fourth proportional to 50,221.96, 69,301.26 and 30,078.33 is: 41,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.96 : 69,301.26 = 30,078.33 : x
  2. Step 2: Convert to fraction form
    50,221.96/69,301.26 = 30,078.33/x
  3. Step 3: Cross multiply
    50,221.96x = 69,301.26 × 30,078.33
  4. Step 4: Simplify right side
    50,221.96x = 2,084,465,670.80
  5. Step 5: Solve for x
    x = 2,084,465,670.80/50,221.96
  6. Step 6: Final answer
    x = 41,505.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.