Home / 77,379.45-116,086.67-27,459.60

Finding the Fourth Proportional to 77,379.45, 116,086.67 and 27,459.60

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Solution

The fourth proportional to 77,379.45, 116,086.67 and 27,459.60 is: 41,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.45 : 116,086.67 = 27,459.60 : x
  2. Step 2: Convert to fraction form
    77,379.45/116,086.67 = 27,459.60/x
  3. Step 3: Cross multiply
    77,379.45x = 116,086.67 × 27,459.60
  4. Step 4: Simplify right side
    77,379.45x = 3,187,693,386.23
  5. Step 5: Solve for x
    x = 3,187,693,386.23/77,379.45
  6. Step 6: Final answer
    x = 41,195.61

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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.