Home / 79,677.44-109,954.56-43,868.80

Finding the Fourth Proportional to 79,677.44, 109,954.56 and 43,868.80

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Solution

The fourth proportional to 79,677.44, 109,954.56 and 43,868.80 is: 60,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.44 : 109,954.56 = 43,868.80 : x
  2. Step 2: Convert to fraction form
    79,677.44/109,954.56 = 43,868.80/x
  3. Step 3: Cross multiply
    79,677.44x = 109,954.56 × 43,868.80
  4. Step 4: Simplify right side
    79,677.44x = 4,823,574,601.73
  5. Step 5: Solve for x
    x = 4,823,574,601.73/79,677.44
  6. Step 6: Final answer
    x = 60,538.77

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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.