Home / 63,940.24-95,942.80-43,120

Finding the Fourth Proportional to 63,940.24, 95,942.80 and 43,120

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Solution

The fourth proportional to 63,940.24, 95,942.80 and 43,120 is: 64,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,940.24 : 95,942.80 = 43,120 : x
  2. Step 2: Convert to fraction form
    63,940.24/95,942.80 = 43,120/x
  3. Step 3: Cross multiply
    63,940.24x = 95,942.80 × 43,120
  4. Step 4: Simplify right side
    63,940.24x = 4,137,053,536
  5. Step 5: Solve for x
    x = 4,137,053,536/63,940.24
  6. Step 6: Final answer
    x = 64,701.88

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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.