Home / 81,991.07-113,175.98-48,010.49

Finding the Fourth Proportional to 81,991.07, 113,175.98 and 48,010.49

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Solution

The fourth proportional to 81,991.07, 113,175.98 and 48,010.49 is: 66,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,991.07 : 113,175.98 = 48,010.49 : x
  2. Step 2: Convert to fraction form
    81,991.07/113,175.98 = 48,010.49/x
  3. Step 3: Cross multiply
    81,991.07x = 113,175.98 × 48,010.49
  4. Step 4: Simplify right side
    81,991.07x = 5,433,633,450.10
  5. Step 5: Solve for x
    x = 5,433,633,450.10/81,991.07
  6. Step 6: Final answer
    x = 66,271.04

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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.