Home / 49,911.90-68,884.31-28,692.06

Finding the Fourth Proportional to 49,911.90, 68,884.31 and 28,692.06

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Solution

The fourth proportional to 49,911.90, 68,884.31 and 28,692.06 is: 39,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.90 : 68,884.31 = 28,692.06 : x
  2. Step 2: Convert to fraction form
    49,911.90/68,884.31 = 28,692.06/x
  3. Step 3: Cross multiply
    49,911.90x = 68,884.31 × 28,692.06
  4. Step 4: Simplify right side
    49,911.90x = 1,976,432,755.58
  5. Step 5: Solve for x
    x = 1,976,432,755.58/49,911.90
  6. Step 6: Final answer
    x = 39,598.43

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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.