Home / 68,849.97-103,279.93-28,828.69

Finding the Fourth Proportional to 68,849.97, 103,279.93 and 28,828.69

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Solution

The fourth proportional to 68,849.97, 103,279.93 and 28,828.69 is: 43,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.97 : 103,279.93 = 28,828.69 : x
  2. Step 2: Convert to fraction form
    68,849.97/103,279.93 = 28,828.69/x
  3. Step 3: Cross multiply
    68,849.97x = 103,279.93 × 28,828.69
  4. Step 4: Simplify right side
    68,849.97x = 2,977,424,754.92
  5. Step 5: Solve for x
    x = 2,977,424,754.92/68,849.97
  6. Step 6: Final answer
    x = 43,245.12

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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.