Home / 50,909.15-76,363.83-15,380.64

Finding the Fourth Proportional to 50,909.15, 76,363.83 and 15,380.64

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Solution

The fourth proportional to 50,909.15, 76,363.83 and 15,380.64 is: 23,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.15 : 76,363.83 = 15,380.64 : x
  2. Step 2: Convert to fraction form
    50,909.15/76,363.83 = 15,380.64/x
  3. Step 3: Cross multiply
    50,909.15x = 76,363.83 × 15,380.64
  4. Step 4: Simplify right side
    50,909.15x = 1,174,524,578.25
  5. Step 5: Solve for x
    x = 1,174,524,578.25/50,909.15
  6. Step 6: Final answer
    x = 23,070.99

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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.