Home / 57,145.20-85,775.40-27,586.80

Finding the Fourth Proportional to 57,145.20, 85,775.40 and 27,586.80

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Solution

The fourth proportional to 57,145.20, 85,775.40 and 27,586.80 is: 41,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.20 : 85,775.40 = 27,586.80 : x
  2. Step 2: Convert to fraction form
    57,145.20/85,775.40 = 27,586.80/x
  3. Step 3: Cross multiply
    57,145.20x = 85,775.40 × 27,586.80
  4. Step 4: Simplify right side
    57,145.20x = 2,366,268,804.72
  5. Step 5: Solve for x
    x = 2,366,268,804.72/57,145.20
  6. Step 6: Final answer
    x = 41,408.01

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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.