Home / 76,976.46-115,467.95-24,384.78

Finding the Fourth Proportional to 76,976.46, 115,467.95 and 24,384.78

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Solution

The fourth proportional to 76,976.46, 115,467.95 and 24,384.78 is: 36,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976.46 : 115,467.95 = 24,384.78 : x
  2. Step 2: Convert to fraction form
    76,976.46/115,467.95 = 24,384.78/x
  3. Step 3: Cross multiply
    76,976.46x = 115,467.95 × 24,384.78
  4. Step 4: Simplify right side
    76,976.46x = 2,815,660,557.80
  5. Step 5: Solve for x
    x = 2,815,660,557.80/76,976.46
  6. Step 6: Final answer
    x = 36,578.20

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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.