Home / 120,523.53-180,712.38-53,951.25

Finding the Fourth Proportional to 120,523.53, 180,712.38 and 53,951.25

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Solution

The fourth proportional to 120,523.53, 180,712.38 and 53,951.25 is: 80,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523.53 : 180,712.38 = 53,951.25 : x
  2. Step 2: Convert to fraction form
    120,523.53/180,712.38 = 53,951.25/x
  3. Step 3: Cross multiply
    120,523.53x = 180,712.38 × 53,951.25
  4. Step 4: Simplify right side
    120,523.53x = 9,749,658,791.48
  5. Step 5: Solve for x
    x = 9,749,658,791.48/120,523.53
  6. Step 6: Final answer
    x = 80,894.24

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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.