Home / 71,702.03-98,949.44-39,872.27

Finding the Fourth Proportional to 71,702.03, 98,949.44 and 39,872.27

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Solution

The fourth proportional to 71,702.03, 98,949.44 and 39,872.27 is: 55,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702.03 : 98,949.44 = 39,872.27 : x
  2. Step 2: Convert to fraction form
    71,702.03/98,949.44 = 39,872.27/x
  3. Step 3: Cross multiply
    71,702.03x = 98,949.44 × 39,872.27
  4. Step 4: Simplify right side
    71,702.03x = 3,945,338,788.03
  5. Step 5: Solve for x
    x = 3,945,338,788.03/71,702.03
  6. Step 6: Final answer
    x = 55,024.09

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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.