Home / 53,940.20-80,895.90-16,500.20

Finding the Fourth Proportional to 53,940.20, 80,895.90 and 16,500.20

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Solution

The fourth proportional to 53,940.20, 80,895.90 and 16,500.20 is: 24,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.20 : 80,895.90 = 16,500.20 : x
  2. Step 2: Convert to fraction form
    53,940.20/80,895.90 = 16,500.20/x
  3. Step 3: Cross multiply
    53,940.20x = 80,895.90 × 16,500.20
  4. Step 4: Simplify right side
    53,940.20x = 1,334,798,529.18
  5. Step 5: Solve for x
    x = 1,334,798,529.18/53,940.20
  6. Step 6: Final answer
    x = 24,745.90

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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.