Home / 81,266.44-121,946.10-43,826.26

Finding the Fourth Proportional to 81,266.44, 121,946.10 and 43,826.26

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Solution

The fourth proportional to 81,266.44, 121,946.10 and 43,826.26 is: 65,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,266.44 : 121,946.10 = 43,826.26 : x
  2. Step 2: Convert to fraction form
    81,266.44/121,946.10 = 43,826.26/x
  3. Step 3: Cross multiply
    81,266.44x = 121,946.10 × 43,826.26
  4. Step 4: Simplify right side
    81,266.44x = 5,344,441,484.59
  5. Step 5: Solve for x
    x = 5,344,441,484.59/81,266.44
  6. Step 6: Final answer
    x = 65,764.43

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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.