Home / 111,692.03-154,135.85-60,704.78

Finding the Fourth Proportional to 111,692.03, 154,135.85 and 60,704.78

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Solution

The fourth proportional to 111,692.03, 154,135.85 and 60,704.78 is: 83,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,692.03 : 154,135.85 = 60,704.78 : x
  2. Step 2: Convert to fraction form
    111,692.03/154,135.85 = 60,704.78/x
  3. Step 3: Cross multiply
    111,692.03x = 154,135.85 × 60,704.78
  4. Step 4: Simplify right side
    111,692.03x = 9,356,781,790.16
  5. Step 5: Solve for x
    x = 9,356,781,790.16/111,692.03
  6. Step 6: Final answer
    x = 83,773.05

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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.