Home / 57,885.20-86,837.40-24,621.20

Finding the Fourth Proportional to 57,885.20, 86,837.40 and 24,621.20

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Solution

The fourth proportional to 57,885.20, 86,837.40 and 24,621.20 is: 36,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.20 : 86,837.40 = 24,621.20 : x
  2. Step 2: Convert to fraction form
    57,885.20/86,837.40 = 24,621.20/x
  3. Step 3: Cross multiply
    57,885.20x = 86,837.40 × 24,621.20
  4. Step 4: Simplify right side
    57,885.20x = 2,138,040,992.88
  5. Step 5: Solve for x
    x = 2,138,040,992.88/57,885.20
  6. Step 6: Final answer
    x = 36,935.88

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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.