Home / 107,836.70-161,755.05-54,692.60

Finding the Fourth Proportional to 107,836.70, 161,755.05 and 54,692.60

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Solution

The fourth proportional to 107,836.70, 161,755.05 and 54,692.60 is: 82,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836.70 : 161,755.05 = 54,692.60 : x
  2. Step 2: Convert to fraction form
    107,836.70/161,755.05 = 54,692.60/x
  3. Step 3: Cross multiply
    107,836.70x = 161,755.05 × 54,692.60
  4. Step 4: Simplify right side
    107,836.70x = 8,846,804,247.63
  5. Step 5: Solve for x
    x = 8,846,804,247.63/107,836.70
  6. Step 6: Final answer
    x = 82,038.90

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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.