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Finding the Fourth Proportional to 95,707.50, 143,562.47 and 33,378

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Solution

The fourth proportional to 95,707.50, 143,562.47 and 33,378 is: 50,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,707.50 : 143,562.47 = 33,378 : x
  2. Step 2: Convert to fraction form
    95,707.50/143,562.47 = 33,378/x
  3. Step 3: Cross multiply
    95,707.50x = 143,562.47 × 33,378
  4. Step 4: Simplify right side
    95,707.50x = 4,791,827,956.77
  5. Step 5: Solve for x
    x = 4,791,827,956.77/95,707.50
  6. Step 6: Final answer
    x = 50,067.42

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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.