Home / 79,940.21-110,321.06-45,959.72

Finding the Fourth Proportional to 79,940.21, 110,321.06 and 45,959.72

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Solution

The fourth proportional to 79,940.21, 110,321.06 and 45,959.72 is: 63,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.21 : 110,321.06 = 45,959.72 : x
  2. Step 2: Convert to fraction form
    79,940.21/110,321.06 = 45,959.72/x
  3. Step 3: Cross multiply
    79,940.21x = 110,321.06 × 45,959.72
  4. Step 4: Simplify right side
    79,940.21x = 5,070,324,246.30
  5. Step 5: Solve for x
    x = 5,070,324,246.30/79,940.21
  6. Step 6: Final answer
    x = 63,426.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.