Home / 50,073.86-75,120.85-18,484.12

Finding the Fourth Proportional to 50,073.86, 75,120.85 and 18,484.12

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Solution

The fourth proportional to 50,073.86, 75,120.85 and 18,484.12 is: 27,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,073.86 : 75,120.85 = 18,484.12 : x
  2. Step 2: Convert to fraction form
    50,073.86/75,120.85 = 18,484.12/x
  3. Step 3: Cross multiply
    50,073.86x = 75,120.85 × 18,484.12
  4. Step 4: Simplify right side
    50,073.86x = 1,388,542,805.90
  5. Step 5: Solve for x
    x = 1,388,542,805.90/50,073.86
  6. Step 6: Final answer
    x = 27,729.89

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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.