Home / 71,346.58-98,458.07-41,131.76

Finding the Fourth Proportional to 71,346.58, 98,458.07 and 41,131.76

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Solution

The fourth proportional to 71,346.58, 98,458.07 and 41,131.76 is: 56,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,346.58 : 98,458.07 = 41,131.76 : x
  2. Step 2: Convert to fraction form
    71,346.58/98,458.07 = 41,131.76/x
  3. Step 3: Cross multiply
    71,346.58x = 98,458.07 × 41,131.76
  4. Step 4: Simplify right side
    71,346.58x = 4,049,753,007.35
  5. Step 5: Solve for x
    x = 4,049,753,007.35/71,346.58
  6. Step 6: Final answer
    x = 56,761.70

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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.