Home / 120,562.28-180,785.10-41,648.84

Finding the Fourth Proportional to 120,562.28, 180,785.10 and 41,648.84

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Solution

The fourth proportional to 120,562.28, 180,785.10 and 41,648.84 is: 62,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.28 : 180,785.10 = 41,648.84 : x
  2. Step 2: Convert to fraction form
    120,562.28/180,785.10 = 41,648.84/x
  3. Step 3: Cross multiply
    120,562.28x = 180,785.10 × 41,648.84
  4. Step 4: Simplify right side
    120,562.28x = 7,529,489,704.28
  5. Step 5: Solve for x
    x = 7,529,489,704.28/120,562.28
  6. Step 6: Final answer
    x = 62,453.11

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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.