Home / 76,177.42-114,203.78-28,765.61

Finding the Fourth Proportional to 76,177.42, 114,203.78 and 28,765.61

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Solution

The fourth proportional to 76,177.42, 114,203.78 and 28,765.61 is: 43,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,177.42 : 114,203.78 = 28,765.61 : x
  2. Step 2: Convert to fraction form
    76,177.42/114,203.78 = 28,765.61/x
  3. Step 3: Cross multiply
    76,177.42x = 114,203.78 × 28,765.61
  4. Step 4: Simplify right side
    76,177.42x = 3,285,141,396.01
  5. Step 5: Solve for x
    x = 3,285,141,396.01/76,177.42
  6. Step 6: Final answer
    x = 43,124.87

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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.