Home / 52,286.88-78,236.48-31,238.36

Finding the Fourth Proportional to 52,286.88, 78,236.48 and 31,238.36

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Solution

The fourth proportional to 52,286.88, 78,236.48 and 31,238.36 is: 46,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.88 : 78,236.48 = 31,238.36 : x
  2. Step 2: Convert to fraction form
    52,286.88/78,236.48 = 31,238.36/x
  3. Step 3: Cross multiply
    52,286.88x = 78,236.48 × 31,238.36
  4. Step 4: Simplify right side
    52,286.88x = 2,443,979,327.37
  5. Step 5: Solve for x
    x = 2,443,979,327.37/52,286.88
  6. Step 6: Final answer
    x = 46,741.73

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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.