Home / 104,003.77-143,517.04-58,692.78

Finding the Fourth Proportional to 104,003.77, 143,517.04 and 58,692.78

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Solution

The fourth proportional to 104,003.77, 143,517.04 and 58,692.78 is: 80,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,003.77 : 143,517.04 = 58,692.78 : x
  2. Step 2: Convert to fraction form
    104,003.77/143,517.04 = 58,692.78/x
  3. Step 3: Cross multiply
    104,003.77x = 143,517.04 × 58,692.78
  4. Step 4: Simplify right side
    104,003.77x = 8,423,414,054.97
  5. Step 5: Solve for x
    x = 8,423,414,054.97/104,003.77
  6. Step 6: Final answer
    x = 80,991.43

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1.5x scale

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.