Home / 57,817.20-86,666.16-28,198.44

Finding the Fourth Proportional to 57,817.20, 86,666.16 and 28,198.44

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Solution

The fourth proportional to 57,817.20, 86,666.16 and 28,198.44 is: 42,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,817.20 : 86,666.16 = 28,198.44 : x
  2. Step 2: Convert to fraction form
    57,817.20/86,666.16 = 28,198.44/x
  3. Step 3: Cross multiply
    57,817.20x = 86,666.16 × 28,198.44
  4. Step 4: Simplify right side
    57,817.20x = 2,443,850,512.79
  5. Step 5: Solve for x
    x = 2,443,850,512.79/57,817.20
  6. Step 6: Final answer
    x = 42,268.57

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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.