Home / 76,857.42-115,321.76-32,494.52

Finding the Fourth Proportional to 76,857.42, 115,321.76 and 32,494.52

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Solution

The fourth proportional to 76,857.42, 115,321.76 and 32,494.52 is: 48,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,857.42 : 115,321.76 = 32,494.52 : x
  2. Step 2: Convert to fraction form
    76,857.42/115,321.76 = 32,494.52/x
  3. Step 3: Cross multiply
    76,857.42x = 115,321.76 × 32,494.52
  4. Step 4: Simplify right side
    76,857.42x = 3,747,325,236.76
  5. Step 5: Solve for x
    x = 3,747,325,236.76/76,857.42
  6. Step 6: Final answer
    x = 48,756.84

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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.