Home / 68,721.60-103,074.72-26,616

Finding the Fourth Proportional to 68,721.60, 103,074.72 and 26,616

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Solution

The fourth proportional to 68,721.60, 103,074.72 and 26,616 is: 39,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.60 : 103,074.72 = 26,616 : x
  2. Step 2: Convert to fraction form
    68,721.60/103,074.72 = 26,616/x
  3. Step 3: Cross multiply
    68,721.60x = 103,074.72 × 26,616
  4. Step 4: Simplify right side
    68,721.60x = 2,743,436,747.52
  5. Step 5: Solve for x
    x = 2,743,436,747.52/68,721.60
  6. Step 6: Final answer
    x = 39,921.03

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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.