Home / 82,271.90-123,419.92-26,093.28

Finding the Fourth Proportional to 82,271.90, 123,419.92 and 26,093.28

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Solution

The fourth proportional to 82,271.90, 123,419.92 and 26,093.28 is: 39,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,271.90 : 123,419.92 = 26,093.28 : x
  2. Step 2: Convert to fraction form
    82,271.90/123,419.92 = 26,093.28/x
  3. Step 3: Cross multiply
    82,271.90x = 123,419.92 × 26,093.28
  4. Step 4: Simplify right side
    82,271.90x = 3,220,430,530.14
  5. Step 5: Solve for x
    x = 3,220,430,530.14/82,271.90
  6. Step 6: Final answer
    x = 39,143.75

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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.