Home / 120,621.40-180,949.92-41,714.44

Finding the Fourth Proportional to 120,621.40, 180,949.92 and 41,714.44

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Solution

The fourth proportional to 120,621.40, 180,949.92 and 41,714.44 is: 62,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,621.40 : 180,949.92 = 41,714.44 : x
  2. Step 2: Convert to fraction form
    120,621.40/180,949.92 = 41,714.44/x
  3. Step 3: Cross multiply
    120,621.40x = 180,949.92 × 41,714.44
  4. Step 4: Simplify right side
    120,621.40x = 7,548,224,580.84
  5. Step 5: Solve for x
    x = 7,548,224,580.84/120,621.40
  6. Step 6: Final answer
    x = 62,577.82

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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.