Home / 50,067.98-75,132.63-20,079.03

Finding the Fourth Proportional to 50,067.98, 75,132.63 and 20,079.03

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Solution

The fourth proportional to 50,067.98, 75,132.63 and 20,079.03 is: 30,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,067.98 : 75,132.63 = 20,079.03 : x
  2. Step 2: Convert to fraction form
    50,067.98/75,132.63 = 20,079.03/x
  3. Step 3: Cross multiply
    50,067.98x = 75,132.63 × 20,079.03
  4. Step 4: Simplify right side
    50,067.98x = 1,508,590,331.75
  5. Step 5: Solve for x
    x = 1,508,590,331.75/50,067.98
  6. Step 6: Final answer
    x = 30,130.84

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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.