Home / 71,344.44-98,455.20-41,129.64

Finding the Fourth Proportional to 71,344.44, 98,455.20 and 41,129.64

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Solution

The fourth proportional to 71,344.44, 98,455.20 and 41,129.64 is: 56,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.44 : 98,455.20 = 41,129.64 : x
  2. Step 2: Convert to fraction form
    71,344.44/98,455.20 = 41,129.64/x
  3. Step 3: Cross multiply
    71,344.44x = 98,455.20 × 41,129.64
  4. Step 4: Simplify right side
    71,344.44x = 4,049,426,932.13
  5. Step 5: Solve for x
    x = 4,049,426,932.13/71,344.44
  6. Step 6: Final answer
    x = 56,758.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.