Home / 76,961.66-115,364.00-43,611.27

Finding the Fourth Proportional to 76,961.66, 115,364.00 and 43,611.27

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Solution

The fourth proportional to 76,961.66, 115,364.00 and 43,611.27 is: 65,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961.66 : 115,364.00 = 43,611.27 : x
  2. Step 2: Convert to fraction form
    76,961.66/115,364.00 = 43,611.27/x
  3. Step 3: Cross multiply
    76,961.66x = 115,364.00 × 43,611.27
  4. Step 4: Simplify right side
    76,961.66x = 5,031,170,334.22
  5. Step 5: Solve for x
    x = 5,031,170,334.22/76,961.66
  6. Step 6: Final answer
    x = 65,372.43

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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.