Home / 108,439.35-149,644.83-60,692.68

Finding the Fourth Proportional to 108,439.35, 149,644.83 and 60,692.68

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Solution

The fourth proportional to 108,439.35, 149,644.83 and 60,692.68 is: 83,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439.35 : 149,644.83 = 60,692.68 : x
  2. Step 2: Convert to fraction form
    108,439.35/149,644.83 = 60,692.68/x
  3. Step 3: Cross multiply
    108,439.35x = 149,644.83 × 60,692.68
  4. Step 4: Simplify right side
    108,439.35x = 9,082,345,780.84
  5. Step 5: Solve for x
    x = 9,082,345,780.84/108,439.35
  6. Step 6: Final answer
    x = 83,755.07

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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.