Home / 68,849.58-103,203.32-28,891.77

Finding the Fourth Proportional to 68,849.58, 103,203.32 and 28,891.77

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Solution

The fourth proportional to 68,849.58, 103,203.32 and 28,891.77 is: 43,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.58 : 103,203.32 = 28,891.77 : x
  2. Step 2: Convert to fraction form
    68,849.58/103,203.32 = 28,891.77/x
  3. Step 3: Cross multiply
    68,849.58x = 103,203.32 × 28,891.77
  4. Step 4: Simplify right side
    68,849.58x = 2,981,727,022.63
  5. Step 5: Solve for x
    x = 2,981,727,022.63/68,849.58
  6. Step 6: Final answer
    x = 43,307.85

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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.