Home / 120,738.79-181,067.17-41,834.60

Finding the Fourth Proportional to 120,738.79, 181,067.17 and 41,834.60

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Solution

The fourth proportional to 120,738.79, 181,067.17 and 41,834.60 is: 62,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,738.79 : 181,067.17 = 41,834.60 : x
  2. Step 2: Convert to fraction form
    120,738.79/181,067.17 = 41,834.60/x
  3. Step 3: Cross multiply
    120,738.79x = 181,067.17 × 41,834.60
  4. Step 4: Simplify right side
    120,738.79x = 7,574,872,630.08
  5. Step 5: Solve for x
    x = 7,574,872,630.08/120,738.79
  6. Step 6: Final answer
    x = 62,737.69

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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.