Home / 102,651.24-153,961.82-27,775.72

Finding the Fourth Proportional to 102,651.24, 153,961.82 and 27,775.72

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Solution

The fourth proportional to 102,651.24, 153,961.82 and 27,775.72 is: 41,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,651.24 : 153,961.82 = 27,775.72 : x
  2. Step 2: Convert to fraction form
    102,651.24/153,961.82 = 27,775.72/x
  3. Step 3: Cross multiply
    102,651.24x = 153,961.82 × 27,775.72
  4. Step 4: Simplify right side
    102,651.24x = 4,276,400,403.01
  5. Step 5: Solve for x
    x = 4,276,400,403.01/102,651.24
  6. Step 6: Final answer
    x = 41,659.51

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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.