Home / 57,191.20-85,844.40-27,632.80

Finding the Fourth Proportional to 57,191.20, 85,844.40 and 27,632.80

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Solution

The fourth proportional to 57,191.20, 85,844.40 and 27,632.80 is: 41,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.20 : 85,844.40 = 27,632.80 : x
  2. Step 2: Convert to fraction form
    57,191.20/85,844.40 = 27,632.80/x
  3. Step 3: Cross multiply
    57,191.20x = 85,844.40 × 27,632.80
  4. Step 4: Simplify right side
    57,191.20x = 2,372,121,136.32
  5. Step 5: Solve for x
    x = 2,372,121,136.32/57,191.20
  6. Step 6: Final answer
    x = 41,477.03

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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.