Home / 76,145.32-114,161.82-29,377

Finding the Fourth Proportional to 76,145.32, 114,161.82 and 29,377

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Solution

The fourth proportional to 76,145.32, 114,161.82 and 29,377 is: 44,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,145.32 : 114,161.82 = 29,377 : x
  2. Step 2: Convert to fraction form
    76,145.32/114,161.82 = 29,377/x
  3. Step 3: Cross multiply
    76,145.32x = 114,161.82 × 29,377
  4. Step 4: Simplify right side
    76,145.32x = 3,353,731,786.14
  5. Step 5: Solve for x
    x = 3,353,731,786.14/76,145.32
  6. Step 6: Final answer
    x = 44,043.83

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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.