Home / 76,722.21-115,014.06-32,351.63

Finding the Fourth Proportional to 76,722.21, 115,014.06 and 32,351.63

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Solution

The fourth proportional to 76,722.21, 115,014.06 and 32,351.63 is: 48,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722.21 : 115,014.06 = 32,351.63 : x
  2. Step 2: Convert to fraction form
    76,722.21/115,014.06 = 32,351.63/x
  3. Step 3: Cross multiply
    76,722.21x = 115,014.06 × 32,351.63
  4. Step 4: Simplify right side
    76,722.21x = 3,720,891,738.85
  5. Step 5: Solve for x
    x = 3,720,891,738.85/76,722.21
  6. Step 6: Final answer
    x = 48,498.23

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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.