Home / 77,379.03-116,030.25-27,451.64

Finding the Fourth Proportional to 77,379.03, 116,030.25 and 27,451.64

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Solution

The fourth proportional to 77,379.03, 116,030.25 and 27,451.64 is: 41,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.03 : 116,030.25 = 27,451.64 : x
  2. Step 2: Convert to fraction form
    77,379.03/116,030.25 = 27,451.64/x
  3. Step 3: Cross multiply
    77,379.03x = 116,030.25 × 27,451.64
  4. Step 4: Simplify right side
    77,379.03x = 3,185,220,071.96
  5. Step 5: Solve for x
    x = 3,185,220,071.96/77,379.03
  6. Step 6: Final answer
    x = 41,163.87

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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.