Home / 82,609.38-123,913.53-23,445.09

Finding the Fourth Proportional to 82,609.38, 123,913.53 and 23,445.09

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Solution

The fourth proportional to 82,609.38, 123,913.53 and 23,445.09 is: 35,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609.38 : 123,913.53 = 23,445.09 : x
  2. Step 2: Convert to fraction form
    82,609.38/123,913.53 = 23,445.09/x
  3. Step 3: Cross multiply
    82,609.38x = 123,913.53 × 23,445.09
  4. Step 4: Simplify right side
    82,609.38x = 2,905,163,863.07
  5. Step 5: Solve for x
    x = 2,905,163,863.07/82,609.38
  6. Step 6: Final answer
    x = 35,167.48

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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.