Home / 76,665.06-114,961.17-26,739.09

Finding the Fourth Proportional to 76,665.06, 114,961.17 and 26,739.09

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Solution

The fourth proportional to 76,665.06, 114,961.17 and 26,739.09 is: 40,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,665.06 : 114,961.17 = 26,739.09 : x
  2. Step 2: Convert to fraction form
    76,665.06/114,961.17 = 26,739.09/x
  3. Step 3: Cross multiply
    76,665.06x = 114,961.17 × 26,739.09
  4. Step 4: Simplify right side
    76,665.06x = 3,073,957,071.14
  5. Step 5: Solve for x
    x = 3,073,957,071.14/76,665.06
  6. Step 6: Final answer
    x = 40,095.93

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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.