Home / 57,212.20-85,875.90-27,653.80

Finding the Fourth Proportional to 57,212.20, 85,875.90 and 27,653.80

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Solution

The fourth proportional to 57,212.20, 85,875.90 and 27,653.80 is: 41,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.20 : 85,875.90 = 27,653.80 : x
  2. Step 2: Convert to fraction form
    57,212.20/85,875.90 = 27,653.80/x
  3. Step 3: Cross multiply
    57,212.20x = 85,875.90 × 27,653.80
  4. Step 4: Simplify right side
    57,212.20x = 2,374,794,963.42
  5. Step 5: Solve for x
    x = 2,374,794,963.42/57,212.20
  6. Step 6: Final answer
    x = 41,508.54

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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.