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Finding the Fourth Proportional to 95,935.82, 143,879.16 and 28,452.06

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Solution

The fourth proportional to 95,935.82, 143,879.16 and 28,452.06 is: 42,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,935.82 : 143,879.16 = 28,452.06 : x
  2. Step 2: Convert to fraction form
    95,935.82/143,879.16 = 28,452.06/x
  3. Step 3: Cross multiply
    95,935.82x = 143,879.16 × 28,452.06
  4. Step 4: Simplify right side
    95,935.82x = 4,093,658,493.07
  5. Step 5: Solve for x
    x = 4,093,658,493.07/95,935.82
  6. Step 6: Final answer
    x = 42,670.80

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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.