Home / 80,559.77-120,782.04-37,841.28

Finding the Fourth Proportional to 80,559.77, 120,782.04 and 37,841.28

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Solution

The fourth proportional to 80,559.77, 120,782.04 and 37,841.28 is: 56,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559.77 : 120,782.04 = 37,841.28 : x
  2. Step 2: Convert to fraction form
    80,559.77/120,782.04 = 37,841.28/x
  3. Step 3: Cross multiply
    80,559.77x = 120,782.04 × 37,841.28
  4. Step 4: Simplify right side
    80,559.77x = 4,570,546,399.77
  5. Step 5: Solve for x
    x = 4,570,546,399.77/80,559.77
  6. Step 6: Final answer
    x = 56,734.85

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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.