Home / 74,485.13-111,692.57-27,066.87

Finding the Fourth Proportional to 74,485.13, 111,692.57 and 27,066.87

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Solution

The fourth proportional to 74,485.13, 111,692.57 and 27,066.87 is: 40,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485.13 : 111,692.57 = 27,066.87 : x
  2. Step 2: Convert to fraction form
    74,485.13/111,692.57 = 27,066.87/x
  3. Step 3: Cross multiply
    74,485.13x = 111,692.57 × 27,066.87
  4. Step 4: Simplify right side
    74,485.13x = 3,023,167,974.94
  5. Step 5: Solve for x
    x = 3,023,167,974.94/74,485.13
  6. Step 6: Final answer
    x = 40,587.54

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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.