Home / 71,658.28-98,896.44-43,363.36

Finding the Fourth Proportional to 71,658.28, 98,896.44 and 43,363.36

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Solution

The fourth proportional to 71,658.28, 98,896.44 and 43,363.36 is: 59,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,658.28 : 98,896.44 = 43,363.36 : x
  2. Step 2: Convert to fraction form
    71,658.28/98,896.44 = 43,363.36/x
  3. Step 3: Cross multiply
    71,658.28x = 98,896.44 × 43,363.36
  4. Step 4: Simplify right side
    71,658.28x = 4,288,481,930.44
  5. Step 5: Solve for x
    x = 4,288,481,930.44/71,658.28
  6. Step 6: Final answer
    x = 59,846.29

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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.