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Finding the Fourth Proportional to 79,277.46, 118,859.70 and 37,134.42

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Solution

The fourth proportional to 79,277.46, 118,859.70 and 37,134.42 is: 55,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.46 : 118,859.70 = 37,134.42 : x
  2. Step 2: Convert to fraction form
    79,277.46/118,859.70 = 37,134.42/x
  3. Step 3: Cross multiply
    79,277.46x = 118,859.70 × 37,134.42
  4. Step 4: Simplify right side
    79,277.46x = 4,413,786,020.87
  5. Step 5: Solve for x
    x = 4,413,786,020.87/79,277.46
  6. Step 6: Final answer
    x = 55,675.17

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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.