Home / 77,051.94-115,611.33-27,167.69

Finding the Fourth Proportional to 77,051.94, 115,611.33 and 27,167.69

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Solution

The fourth proportional to 77,051.94, 115,611.33 and 27,167.69 is: 40,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,051.94 : 115,611.33 = 27,167.69 : x
  2. Step 2: Convert to fraction form
    77,051.94/115,611.33 = 27,167.69/x
  3. Step 3: Cross multiply
    77,051.94x = 115,611.33 × 27,167.69
  4. Step 4: Simplify right side
    77,051.94x = 3,140,892,195.87
  5. Step 5: Solve for x
    x = 3,140,892,195.87/77,051.94
  6. Step 6: Final answer
    x = 40,763.31

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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.