Home / 89,234.20-123,226.50-57,458.44

Finding the Fourth Proportional to 89,234.20, 123,226.50 and 57,458.44

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Solution

The fourth proportional to 89,234.20, 123,226.50 and 57,458.44 is: 79,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.20 : 123,226.50 = 57,458.44 : x
  2. Step 2: Convert to fraction form
    89,234.20/123,226.50 = 57,458.44/x
  3. Step 3: Cross multiply
    89,234.20x = 123,226.50 × 57,458.44
  4. Step 4: Simplify right side
    89,234.20x = 7,080,402,456.66
  5. Step 5: Solve for x
    x = 7,080,402,456.66/89,234.20
  6. Step 6: Final answer
    x = 79,346.29

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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.