Home / 89,766.24-123,837.84-55,765.68

Finding the Fourth Proportional to 89,766.24, 123,837.84 and 55,765.68

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Solution

The fourth proportional to 89,766.24, 123,837.84 and 55,765.68 is: 76,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,766.24 : 123,837.84 = 55,765.68 : x
  2. Step 2: Convert to fraction form
    89,766.24/123,837.84 = 55,765.68/x
  3. Step 3: Cross multiply
    89,766.24x = 123,837.84 × 55,765.68
  4. Step 4: Simplify right side
    89,766.24x = 6,905,901,357.33
  5. Step 5: Solve for x
    x = 6,905,901,357.33/89,766.24
  6. Step 6: Final answer
    x = 76,932.06

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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.