Home / 102,824.58-141,899.82-62,540.04

Finding the Fourth Proportional to 102,824.58, 141,899.82 and 62,540.04

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Solution

The fourth proportional to 102,824.58, 141,899.82 and 62,540.04 is: 86,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.58 : 141,899.82 = 62,540.04 : x
  2. Step 2: Convert to fraction form
    102,824.58/141,899.82 = 62,540.04/x
  3. Step 3: Cross multiply
    102,824.58x = 141,899.82 × 62,540.04
  4. Step 4: Simplify right side
    102,824.58x = 8,874,420,418.79
  5. Step 5: Solve for x
    x = 8,874,420,418.79/102,824.58
  6. Step 6: Final answer
    x = 86,306.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.