Home / 57,153.21-85,861.58-54,791.29

Finding the Fourth Proportional to 57,153.21, 85,861.58 and 54,791.29

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Solution

The fourth proportional to 57,153.21, 85,861.58 and 54,791.29 is: 82,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.21 : 85,861.58 = 54,791.29 : x
  2. Step 2: Convert to fraction form
    57,153.21/85,861.58 = 54,791.29/x
  3. Step 3: Cross multiply
    57,153.21x = 85,861.58 × 54,791.29
  4. Step 4: Simplify right side
    57,153.21x = 4,704,466,455.68
  5. Step 5: Solve for x
    x = 4,704,466,455.68/57,153.21
  6. Step 6: Final answer
    x = 82,313.25

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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.