Home / 120,617.20-180,893.40-41,755.60

Finding the Fourth Proportional to 120,617.20, 180,893.40 and 41,755.60

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Solution

The fourth proportional to 120,617.20, 180,893.40 and 41,755.60 is: 62,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617.20 : 180,893.40 = 41,755.60 : x
  2. Step 2: Convert to fraction form
    120,617.20/180,893.40 = 41,755.60/x
  3. Step 3: Cross multiply
    120,617.20x = 180,893.40 × 41,755.60
  4. Step 4: Simplify right side
    120,617.20x = 7,553,312,453.04
  5. Step 5: Solve for x
    x = 7,553,312,453.04/120,617.20
  6. Step 6: Final answer
    x = 62,622.18

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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.