Home / 89,815.92-123,937.20-52,086

Finding the Fourth Proportional to 89,815.92, 123,937.20 and 52,086

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Solution

The fourth proportional to 89,815.92, 123,937.20 and 52,086 is: 71,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.92 : 123,937.20 = 52,086 : x
  2. Step 2: Convert to fraction form
    89,815.92/123,937.20 = 52,086/x
  3. Step 3: Cross multiply
    89,815.92x = 123,937.20 × 52,086
  4. Step 4: Simplify right side
    89,815.92x = 6,455,392,999.20
  5. Step 5: Solve for x
    x = 6,455,392,999.20/89,815.92
  6. Step 6: Final answer
    x = 71,873.59

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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.