Home / 71,125.86-106,694.24-21,202.14

Finding the Fourth Proportional to 71,125.86, 106,694.24 and 21,202.14

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Solution

The fourth proportional to 71,125.86, 106,694.24 and 21,202.14 is: 31,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,125.86 : 106,694.24 = 21,202.14 : x
  2. Step 2: Convert to fraction form
    71,125.86/106,694.24 = 21,202.14/x
  3. Step 3: Cross multiply
    71,125.86x = 106,694.24 × 21,202.14
  4. Step 4: Simplify right side
    71,125.86x = 2,262,146,107.66
  5. Step 5: Solve for x
    x = 2,262,146,107.66/71,125.86
  6. Step 6: Final answer
    x = 31,804.83

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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.