Home / 76,767.52-115,184.78-26,883.42

Finding the Fourth Proportional to 76,767.52, 115,184.78 and 26,883.42

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Solution

The fourth proportional to 76,767.52, 115,184.78 and 26,883.42 is: 40,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767.52 : 115,184.78 = 26,883.42 : x
  2. Step 2: Convert to fraction form
    76,767.52/115,184.78 = 26,883.42/x
  3. Step 3: Cross multiply
    76,767.52x = 115,184.78 × 26,883.42
  4. Step 4: Simplify right side
    76,767.52x = 3,096,560,818.35
  5. Step 5: Solve for x
    x = 3,096,560,818.35/76,767.52
  6. Step 6: Final answer
    x = 40,336.86

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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.