Home / 57,015.90-85,537.77-40,181.75

Finding the Fourth Proportional to 57,015.90, 85,537.77 and 40,181.75

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Solution

The fourth proportional to 57,015.90, 85,537.77 and 40,181.75 is: 60,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.90 : 85,537.77 = 40,181.75 : x
  2. Step 2: Convert to fraction form
    57,015.90/85,537.77 = 40,181.75/x
  3. Step 3: Cross multiply
    57,015.90x = 85,537.77 × 40,181.75
  4. Step 4: Simplify right side
    57,015.90x = 3,437,056,862.01
  5. Step 5: Solve for x
    x = 3,437,056,862.01/57,015.90
  6. Step 6: Final answer
    x = 60,282.43

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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.