Home / 82,835.48-124,240.26-27,431.48

Finding the Fourth Proportional to 82,835.48, 124,240.26 and 27,431.48

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Solution

The fourth proportional to 82,835.48, 124,240.26 and 27,431.48 is: 41,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.48 : 124,240.26 = 27,431.48 : x
  2. Step 2: Convert to fraction form
    82,835.48/124,240.26 = 27,431.48/x
  3. Step 3: Cross multiply
    82,835.48x = 124,240.26 × 27,431.48
  4. Step 4: Simplify right side
    82,835.48x = 3,408,094,207.38
  5. Step 5: Solve for x
    x = 3,408,094,207.38/82,835.48
  6. Step 6: Final answer
    x = 41,142.93

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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.