Home / 82,835.75-124,273.20-27,431.75

Finding the Fourth Proportional to 82,835.75, 124,273.20 and 27,431.75

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Solution

The fourth proportional to 82,835.75, 124,273.20 and 27,431.75 is: 41,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.75 : 124,273.20 = 27,431.75 : x
  2. Step 2: Convert to fraction form
    82,835.75/124,273.20 = 27,431.75/x
  3. Step 3: Cross multiply
    82,835.75x = 124,273.20 × 27,431.75
  4. Step 4: Simplify right side
    82,835.75x = 3,409,031,354.10
  5. Step 5: Solve for x
    x = 3,409,031,354.10/82,835.75
  6. Step 6: Final answer
    x = 41,154.11

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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.