Home / 57,230.20-85,845.30-38,567.80

Finding the Fourth Proportional to 57,230.20, 85,845.30 and 38,567.80

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Solution

The fourth proportional to 57,230.20, 85,845.30 and 38,567.80 is: 57,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.20 : 85,845.30 = 38,567.80 : x
  2. Step 2: Convert to fraction form
    57,230.20/85,845.30 = 38,567.80/x
  3. Step 3: Cross multiply
    57,230.20x = 85,845.30 × 38,567.80
  4. Step 4: Simplify right side
    57,230.20x = 3,310,864,361.34
  5. Step 5: Solve for x
    x = 3,310,864,361.34/57,230.20
  6. Step 6: Final answer
    x = 57,851.70

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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.