Home / 79,677.45-109,955.61-43,868.25

Finding the Fourth Proportional to 79,677.45, 109,955.61 and 43,868.25

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Solution

The fourth proportional to 79,677.45, 109,955.61 and 43,868.25 is: 60,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.45 : 109,955.61 = 43,868.25 : x
  2. Step 2: Convert to fraction form
    79,677.45/109,955.61 = 43,868.25/x
  3. Step 3: Cross multiply
    79,677.45x = 109,955.61 × 43,868.25
  4. Step 4: Simplify right side
    79,677.45x = 4,823,560,188.38
  5. Step 5: Solve for x
    x = 4,823,560,188.38/79,677.45
  6. Step 6: Final answer
    x = 60,538.59

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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.