Home / 76,479.20-114,735.21-32,080.37

Finding the Fourth Proportional to 76,479.20, 114,735.21 and 32,080.37

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Solution

The fourth proportional to 76,479.20, 114,735.21 and 32,080.37 is: 48,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.20 : 114,735.21 = 32,080.37 : x
  2. Step 2: Convert to fraction form
    76,479.20/114,735.21 = 32,080.37/x
  3. Step 3: Cross multiply
    76,479.20x = 114,735.21 × 32,080.37
  4. Step 4: Simplify right side
    76,479.20x = 3,680,747,415.15
  5. Step 5: Solve for x
    x = 3,680,747,415.15/76,479.20
  6. Step 6: Final answer
    x = 48,127.43

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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.