Home / 74,692.10-111,908.55-48,383.30

Finding the Fourth Proportional to 74,692.10, 111,908.55 and 48,383.30

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Solution

The fourth proportional to 74,692.10, 111,908.55 and 48,383.30 is: 72,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692.10 : 111,908.55 = 48,383.30 : x
  2. Step 2: Convert to fraction form
    74,692.10/111,908.55 = 48,383.30/x
  3. Step 3: Cross multiply
    74,692.10x = 111,908.55 × 48,383.30
  4. Step 4: Simplify right side
    74,692.10x = 5,414,504,947.22
  5. Step 5: Solve for x
    x = 5,414,504,947.22/74,692.10
  6. Step 6: Final answer
    x = 72,491.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.