Home / 76,198.61-114,305.45-26,272.15

Finding the Fourth Proportional to 76,198.61, 114,305.45 and 26,272.15

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Solution

The fourth proportional to 76,198.61, 114,305.45 and 26,272.15 is: 39,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.61 : 114,305.45 = 26,272.15 : x
  2. Step 2: Convert to fraction form
    76,198.61/114,305.45 = 26,272.15/x
  3. Step 3: Cross multiply
    76,198.61x = 114,305.45 × 26,272.15
  4. Step 4: Simplify right side
    76,198.61x = 3,003,049,511.09
  5. Step 5: Solve for x
    x = 3,003,049,511.09/76,198.61
  6. Step 6: Final answer
    x = 39,410.82

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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.