Home / 45,163.02-67,753.92-13,571.80

Finding the Fourth Proportional to 45,163.02, 67,753.92 and 13,571.80

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Solution

The fourth proportional to 45,163.02, 67,753.92 and 13,571.80 is: 20,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.02 : 67,753.92 = 13,571.80 : x
  2. Step 2: Convert to fraction form
    45,163.02/67,753.92 = 13,571.80/x
  3. Step 3: Cross multiply
    45,163.02x = 67,753.92 × 13,571.80
  4. Step 4: Simplify right side
    45,163.02x = 919,542,651.46
  5. Step 5: Solve for x
    x = 919,542,651.46/45,163.02
  6. Step 6: Final answer
    x = 20,360.52

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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.