Home / 80,057.86-120,093.03-46,781.38

Finding the Fourth Proportional to 80,057.86, 120,093.03 and 46,781.38

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Solution

The fourth proportional to 80,057.86, 120,093.03 and 46,781.38 is: 70,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,057.86 : 120,093.03 = 46,781.38 : x
  2. Step 2: Convert to fraction form
    80,057.86/120,093.03 = 46,781.38/x
  3. Step 3: Cross multiply
    80,057.86x = 120,093.03 × 46,781.38
  4. Step 4: Simplify right side
    80,057.86x = 5,618,117,671.78
  5. Step 5: Solve for x
    x = 5,618,117,671.78/80,057.86
  6. Step 6: Final answer
    x = 70,175.72

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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.