Home / 80,327.09-120,523.71-35,325.31

Finding the Fourth Proportional to 80,327.09, 120,523.71 and 35,325.31

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Solution

The fourth proportional to 80,327.09, 120,523.71 and 35,325.31 is: 53,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,327.09 : 120,523.71 = 35,325.31 : x
  2. Step 2: Convert to fraction form
    80,327.09/120,523.71 = 35,325.31/x
  3. Step 3: Cross multiply
    80,327.09x = 120,523.71 × 35,325.31
  4. Step 4: Simplify right side
    80,327.09x = 4,257,537,418.10
  5. Step 5: Solve for x
    x = 4,257,537,418.10/80,327.09
  6. Step 6: Final answer
    x = 53,002.51

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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.