Home / 104,769.92-144,517.20-63,915.38

Finding the Fourth Proportional to 104,769.92, 144,517.20 and 63,915.38

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Solution

The fourth proportional to 104,769.92, 144,517.20 and 63,915.38 is: 88,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,769.92 : 144,517.20 = 63,915.38 : x
  2. Step 2: Convert to fraction form
    104,769.92/144,517.20 = 63,915.38/x
  3. Step 3: Cross multiply
    104,769.92x = 144,517.20 × 63,915.38
  4. Step 4: Simplify right side
    104,769.92x = 9,236,871,754.54
  5. Step 5: Solve for x
    x = 9,236,871,754.54/104,769.92
  6. Step 6: Final answer
    x = 88,163.39

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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.