Home / 71,103.83-98,123.88-39,273.26

Finding the Fourth Proportional to 71,103.83, 98,123.88 and 39,273.26

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Solution

The fourth proportional to 71,103.83, 98,123.88 and 39,273.26 is: 54,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,103.83 : 98,123.88 = 39,273.26 : x
  2. Step 2: Convert to fraction form
    71,103.83/98,123.88 = 39,273.26/x
  3. Step 3: Cross multiply
    71,103.83x = 98,123.88 × 39,273.26
  4. Step 4: Simplify right side
    71,103.83x = 3,853,644,676.07
  5. Step 5: Solve for x
    x = 3,853,644,676.07/71,103.83
  6. Step 6: Final answer
    x = 54,197.43

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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.