Home / 89,458.21-123,449.79-49,171.96

Finding the Fourth Proportional to 89,458.21, 123,449.79 and 49,171.96

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Solution

The fourth proportional to 89,458.21, 123,449.79 and 49,171.96 is: 67,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.21 : 123,449.79 = 49,171.96 : x
  2. Step 2: Convert to fraction form
    89,458.21/123,449.79 = 49,171.96/x
  3. Step 3: Cross multiply
    89,458.21x = 123,449.79 × 49,171.96
  4. Step 4: Simplify right side
    89,458.21x = 6,070,268,135.89
  5. Step 5: Solve for x
    x = 6,070,268,135.89/89,458.21
  6. Step 6: Final answer
    x = 67,855.91

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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.