Home / 120,622.60-180,934.37-50,452.69

Finding the Fourth Proportional to 120,622.60, 180,934.37 and 50,452.69

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Solution

The fourth proportional to 120,622.60, 180,934.37 and 50,452.69 is: 75,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,622.60 : 180,934.37 = 50,452.69 : x
  2. Step 2: Convert to fraction form
    120,622.60/180,934.37 = 50,452.69/x
  3. Step 3: Cross multiply
    120,622.60x = 180,934.37 × 50,452.69
  4. Step 4: Simplify right side
    120,622.60x = 9,128,625,679.96
  5. Step 5: Solve for x
    x = 9,128,625,679.96/120,622.60
  6. Step 6: Final answer
    x = 75,679.23

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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.