Home / 80,135.43-120,161.70-46,865.22

Finding the Fourth Proportional to 80,135.43, 120,161.70 and 46,865.22

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Solution

The fourth proportional to 80,135.43, 120,161.70 and 46,865.22 is: 70,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135.43 : 120,161.70 = 46,865.22 : x
  2. Step 2: Convert to fraction form
    80,135.43/120,161.70 = 46,865.22/x
  3. Step 3: Cross multiply
    80,135.43x = 120,161.70 × 46,865.22
  4. Step 4: Simplify right side
    80,135.43x = 5,631,404,506.07
  5. Step 5: Solve for x
    x = 5,631,404,506.07/80,135.43
  6. Step 6: Final answer
    x = 70,273.59

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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.