Home / 56,788.94-85,122.24-27,143.75

Finding the Fourth Proportional to 56,788.94, 85,122.24 and 27,143.75

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Solution

The fourth proportional to 56,788.94, 85,122.24 and 27,143.75 is: 40,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788.94 : 85,122.24 = 27,143.75 : x
  2. Step 2: Convert to fraction form
    56,788.94/85,122.24 = 27,143.75/x
  3. Step 3: Cross multiply
    56,788.94x = 85,122.24 × 27,143.75
  4. Step 4: Simplify right side
    56,788.94x = 2,310,536,376.39
  5. Step 5: Solve for x
    x = 2,310,536,376.39/56,788.94
  6. Step 6: Final answer
    x = 40,686.38

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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.