Home / 82,582.31-123,881.66-26,408.30

Finding the Fourth Proportional to 82,582.31, 123,881.66 and 26,408.30

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Solution

The fourth proportional to 82,582.31, 123,881.66 and 26,408.30 is: 39,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.31 : 123,881.66 = 26,408.30 : x
  2. Step 2: Convert to fraction form
    82,582.31/123,881.66 = 26,408.30/x
  3. Step 3: Cross multiply
    82,582.31x = 123,881.66 × 26,408.30
  4. Step 4: Simplify right side
    82,582.31x = 3,271,503,290.33
  5. Step 5: Solve for x
    x = 3,271,503,290.33/82,582.31
  6. Step 6: Final answer
    x = 39,615.06

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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.